Vulnerability Details CVE-2017-2624
It was found that xorg-x11-server before 1.19.0 including uses memcmp() to check the received MIT cookie against a series of valid cookies. If the cookie is correct, it is allowed to attach to the Xorg session. Since most memcmp() implementations return after an invalid byte is seen, this causes a time difference between a valid and invalid byte, which could allow an efficient brute force attack.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.0
EPSS Ranking 10.4%
CVSS Severity
CVSS v3 Score 5.9
CVSS v2 Score 1.9
Products affected by CVE-2017-2624
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cpe:2.3:a:x.org:xorg-server:1.10.0
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cpe:2.3:a:x.org:xorg-server:1.10.0.901
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cpe:2.3:a:x.org:xorg-server:1.10.0.902
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cpe:2.3:a:x.org:xorg-server:1.10.1
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cpe:2.3:a:x.org:xorg-server:1.10.1.901
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cpe:2.3:a:x.org:xorg-server:1.10.1.902
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cpe:2.3:a:x.org:xorg-server:1.10.2
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cpe:2.3:a:x.org:xorg-server:1.10.2.901
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cpe:2.3:a:x.org:xorg-server:1.10.2.902
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cpe:2.3:a:x.org:xorg-server:1.10.3
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cpe:2.3:a:x.org:xorg-server:1.10.3.901
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cpe:2.3:a:x.org:xorg-server:1.10.3.902
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cpe:2.3:a:x.org:xorg-server:1.10.4
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cpe:2.3:a:x.org:xorg-server:1.10.6
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cpe:2.3:a:x.org:xorg-server:1.10.99.901
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cpe:2.3:a:x.org:xorg-server:1.10.99.902
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cpe:2.3:a:x.org:xorg-server:1.11.0
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cpe:2.3:a:x.org:xorg-server:1.11.1
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cpe:2.3:a:x.org:xorg-server:1.11.1.901
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cpe:2.3:a:x.org:xorg-server:1.11.1.902
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cpe:2.3:a:x.org:xorg-server:1.11.2
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cpe:2.3:a:x.org:xorg-server:1.11.2.901
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cpe:2.3:a:x.org:xorg-server:1.11.2.902
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cpe:2.3:a:x.org:xorg-server:1.11.3
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cpe:2.3:a:x.org:xorg-server:1.11.3.901
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cpe:2.3:a:x.org:xorg-server:1.11.3.902
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cpe:2.3:a:x.org:xorg-server:1.11.4
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cpe:2.3:a:x.org:xorg-server:1.11.99.1
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cpe:2.3:a:x.org:xorg-server:1.11.99.2
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cpe:2.3:a:x.org:xorg-server:1.11.99.901
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cpe:2.3:a:x.org:xorg-server:1.11.99.902
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cpe:2.3:a:x.org:xorg-server:1.11.99.903
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cpe:2.3:a:x.org:xorg-server:1.12.0
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cpe:2.3:a:x.org:xorg-server:1.12.0.901
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cpe:2.3:a:x.org:xorg-server:1.12.0.902
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cpe:2.3:a:x.org:xorg-server:1.12.1.901
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cpe:2.3:a:x.org:xorg-server:1.12.1.902
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cpe:2.3:a:x.org:xorg-server:1.12.2
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cpe:2.3:a:x.org:xorg-server:1.12.2.901
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cpe:2.3:a:x.org:xorg-server:1.12.2.902
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cpe:2.3:a:x.org:xorg-server:1.12.3
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cpe:2.3:a:x.org:xorg-server:1.12.3.901
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cpe:2.3:a:x.org:xorg-server:1.12.3.902
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cpe:2.3:a:x.org:xorg-server:1.12.4
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cpe:2.3:a:x.org:xorg-server:1.12.99.901
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cpe:2.3:a:x.org:xorg-server:1.12.99.902
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cpe:2.3:a:x.org:xorg-server:1.12.99.903
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cpe:2.3:a:x.org:xorg-server:1.12.99.904
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cpe:2.3:a:x.org:xorg-server:1.12.99.905
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cpe:2.3:a:x.org:xorg-server:1.13.0
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cpe:2.3:a:x.org:xorg-server:1.13.0.901
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cpe:2.3:a:x.org:xorg-server:1.13.0.902
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cpe:2.3:a:x.org:xorg-server:1.13.1
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cpe:2.3:a:x.org:xorg-server:1.13.1.901
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cpe:2.3:a:x.org:xorg-server:1.13.2
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cpe:2.3:a:x.org:xorg-server:1.13.2.901
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cpe:2.3:a:x.org:xorg-server:1.13.2.902
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cpe:2.3:a:x.org:xorg-server:1.13.3
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cpe:2.3:a:x.org:xorg-server:1.13.4
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cpe:2.3:a:x.org:xorg-server:1.13.99.901
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cpe:2.3:a:x.org:xorg-server:1.13.99.902
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cpe:2.3:a:x.org:xorg-server:1.14.0
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cpe:2.3:a:x.org:xorg-server:1.14.1
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cpe:2.3:a:x.org:xorg-server:1.14.1.901
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cpe:2.3:a:x.org:xorg-server:1.14.1.902
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cpe:2.3:a:x.org:xorg-server:1.14.2
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cpe:2.3:a:x.org:xorg-server:1.14.2.901
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cpe:2.3:a:x.org:xorg-server:1.14.2.902
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cpe:2.3:a:x.org:xorg-server:1.14.3
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cpe:2.3:a:x.org:xorg-server:1.14.3.901
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cpe:2.3:a:x.org:xorg-server:1.14.4
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cpe:2.3:a:x.org:xorg-server:1.14.4.901
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cpe:2.3:a:x.org:xorg-server:1.14.5
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cpe:2.3:a:x.org:xorg-server:1.14.5.901
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cpe:2.3:a:x.org:xorg-server:1.14.6
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cpe:2.3:a:x.org:xorg-server:1.14.7
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cpe:2.3:a:x.org:xorg-server:1.14.99.1
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cpe:2.3:a:x.org:xorg-server:1.14.99.2
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cpe:2.3:a:x.org:xorg-server:1.14.99.3
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cpe:2.3:a:x.org:xorg-server:1.14.99.901
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cpe:2.3:a:x.org:xorg-server:1.14.99.902
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cpe:2.3:a:x.org:xorg-server:1.14.99.903
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cpe:2.3:a:x.org:xorg-server:1.14.99.904
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cpe:2.3:a:x.org:xorg-server:1.14.99.905
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cpe:2.3:a:x.org:xorg-server:1.15.0
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cpe:2.3:a:x.org:xorg-server:1.15.0.901
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cpe:2.3:a:x.org:xorg-server:1.15.1
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cpe:2.3:a:x.org:xorg-server:1.15.2
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cpe:2.3:a:x.org:xorg-server:1.15.99.901
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cpe:2.3:a:x.org:xorg-server:1.15.99.902
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cpe:2.3:a:x.org:xorg-server:1.15.99.903
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cpe:2.3:a:x.org:xorg-server:1.15.99.904
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cpe:2.3:a:x.org:xorg-server:1.16.0
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cpe:2.3:a:x.org:xorg-server:1.16.0.901
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cpe:2.3:a:x.org:xorg-server:1.16.1
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cpe:2.3:a:x.org:xorg-server:1.16.1.901
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cpe:2.3:a:x.org:xorg-server:1.16.2
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cpe:2.3:a:x.org:xorg-server:1.16.2.901
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cpe:2.3:a:x.org:xorg-server:1.16.2.99.901
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cpe:2.3:a:x.org:xorg-server:1.16.3
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cpe:2.3:a:x.org:xorg-server:1.17.0
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cpe:2.3:a:x.org:xorg-server:1.19.3
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cpe:2.3:a:x.org:xorg-server:1.19.4
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cpe:2.3:a:x.org:xorg-server:1.7.0
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cpe:2.3:a:x.org:xorg-server:1.7.0.901
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cpe:2.3:a:x.org:xorg-server:1.7.0.902
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cpe:2.3:a:x.org:xorg-server:1.7.1
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cpe:2.3:a:x.org:xorg-server:1.7.1.901
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cpe:2.3:a:x.org:xorg-server:1.7.1.902
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cpe:2.3:a:x.org:xorg-server:1.7.2
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cpe:2.3:a:x.org:xorg-server:1.7.2.901
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cpe:2.3:a:x.org:xorg-server:1.7.2.902
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cpe:2.3:a:x.org:xorg-server:1.7.3
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cpe:2.3:a:x.org:xorg-server:1.7.3.901
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cpe:2.3:a:x.org:xorg-server:1.7.3.902
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cpe:2.3:a:x.org:xorg-server:1.7.4
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cpe:2.3:a:x.org:xorg-server:1.7.4.901
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cpe:2.3:a:x.org:xorg-server:1.7.4.902
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cpe:2.3:a:x.org:xorg-server:1.7.5
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cpe:2.3:a:x.org:xorg-server:1.7.5.901
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cpe:2.3:a:x.org:xorg-server:1.7.5.902
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cpe:2.3:a:x.org:xorg-server:1.7.6
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cpe:2.3:a:x.org:xorg-server:1.7.6.901
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cpe:2.3:a:x.org:xorg-server:1.7.6.902
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cpe:2.3:a:x.org:xorg-server:1.7.7
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cpe:2.3:a:x.org:xorg-server:1.7.99.1
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cpe:2.3:a:x.org:xorg-server:1.7.99.2
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cpe:2.3:a:x.org:xorg-server:1.7.99.901
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cpe:2.3:a:x.org:xorg-server:1.7.99.902
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cpe:2.3:a:x.org:xorg-server:1.8.0
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cpe:2.3:a:x.org:xorg-server:1.8.0.901
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cpe:2.3:a:x.org:xorg-server:1.8.0.902
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cpe:2.3:a:x.org:xorg-server:1.8.1
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cpe:2.3:a:x.org:xorg-server:1.8.1.901
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cpe:2.3:a:x.org:xorg-server:1.8.1.902
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cpe:2.3:a:x.org:xorg-server:1.8.2
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cpe:2.3:a:x.org:xorg-server:1.8.2.901
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cpe:2.3:a:x.org:xorg-server:1.8.2.902
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cpe:2.3:a:x.org:xorg-server:1.8.99.901
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cpe:2.3:a:x.org:xorg-server:1.8.99.902
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cpe:2.3:a:x.org:xorg-server:1.8.99.903
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cpe:2.3:a:x.org:xorg-server:1.8.99.904
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cpe:2.3:a:x.org:xorg-server:1.8.99.905
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cpe:2.3:a:x.org:xorg-server:1.9.0
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cpe:2.3:a:x.org:xorg-server:1.9.0.901
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cpe:2.3:a:x.org:xorg-server:1.9.0.902
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cpe:2.3:a:x.org:xorg-server:1.9.1
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cpe:2.3:a:x.org:xorg-server:1.9.2
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cpe:2.3:a:x.org:xorg-server:1.9.2.901
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cpe:2.3:a:x.org:xorg-server:1.9.2.902
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cpe:2.3:a:x.org:xorg-server:1.9.3
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cpe:2.3:a:x.org:xorg-server:1.9.3.901
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cpe:2.3:a:x.org:xorg-server:1.9.3.902
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cpe:2.3:a:x.org:xorg-server:1.9.4
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cpe:2.3:a:x.org:xorg-server:1.9.4.901
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cpe:2.3:a:x.org:xorg-server:1.9.5
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cpe:2.3:a:x.org:xorg-server:1.9.99.901
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cpe:2.3:a:x.org:xorg-server:1.9.99.902
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cpe:2.3:a:x.org:xorg-server:1.9.99.903
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cpe:2.3:o:debian:debian_linux:7.0