Vulnerability Details CVE-2013-4559
lighttpd before 1.4.33 does not check the return value of the (1) setuid, (2) setgid, or (3) setgroups functions, which might cause lighttpd to run as root if it is restarted and allows remote attackers to gain privileges, as demonstrated by multiple calls to the clone function that cause setuid to fail when the user process limit is reached.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.126
EPSS Ranking 93.6%
CVSS Severity
CVSS v2 Score 7.6
References
- http://download.lighttpd.net/lighttpd/security/lighttpd_sa_2013_02.txt
- http://jvn.jp/en/jp/JVN37417423/index.html
- http://lists.opensuse.org/opensuse-updates/2014-01/msg00049.html
- http://marc.info/?l=bugtraq&m=141576815022399&w=2
- http://secunia.com/advisories/55682
- http://www.openwall.com/lists/oss-security/2013/11/12/4
- https://kc.mcafee.com/corporate/index?page=content&id=SB10310
- https://www.debian.org/security/2013/dsa-2795
- http://download.lighttpd.net/lighttpd/security/lighttpd_sa_2013_02.txt
- http://jvn.jp/en/jp/JVN37417423/index.html
- http://lists.opensuse.org/opensuse-updates/2014-01/msg00049.html
- http://marc.info/?l=bugtraq&m=141576815022399&w=2
- http://secunia.com/advisories/55682
- http://www.openwall.com/lists/oss-security/2013/11/12/4
- https://kc.mcafee.com/corporate/index?page=content&id=SB10310
- https://www.debian.org/security/2013/dsa-2795
Products affected by CVE-2013-4559
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cpe:2.3:a:lighttpd:lighttpd:1.3.11
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cpe:2.3:a:lighttpd:lighttpd:1.3.12
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cpe:2.3:a:lighttpd:lighttpd:1.3.13
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cpe:2.3:a:lighttpd:lighttpd:1.3.14
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cpe:2.3:a:lighttpd:lighttpd:1.3.15
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cpe:2.3:a:lighttpd:lighttpd:1.3.16
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cpe:2.3:a:lighttpd:lighttpd:1.4.1
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cpe:2.3:a:lighttpd:lighttpd:1.4.10
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cpe:2.3:a:lighttpd:lighttpd:1.4.11
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cpe:2.3:a:lighttpd:lighttpd:1.4.12
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cpe:2.3:a:lighttpd:lighttpd:1.4.13
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cpe:2.3:a:lighttpd:lighttpd:1.4.14
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cpe:2.3:a:lighttpd:lighttpd:1.4.15
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cpe:2.3:a:lighttpd:lighttpd:1.4.16
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cpe:2.3:a:lighttpd:lighttpd:1.4.17
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cpe:2.3:a:lighttpd:lighttpd:1.4.18
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cpe:2.3:a:lighttpd:lighttpd:1.4.19
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cpe:2.3:a:lighttpd:lighttpd:1.4.2
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cpe:2.3:a:lighttpd:lighttpd:1.4.20
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cpe:2.3:a:lighttpd:lighttpd:1.4.21
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cpe:2.3:a:lighttpd:lighttpd:1.4.22
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cpe:2.3:a:lighttpd:lighttpd:1.4.23
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cpe:2.3:a:lighttpd:lighttpd:1.4.24
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cpe:2.3:a:lighttpd:lighttpd:1.4.25
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cpe:2.3:a:lighttpd:lighttpd:1.4.26
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cpe:2.3:a:lighttpd:lighttpd:1.4.27
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cpe:2.3:a:lighttpd:lighttpd:1.4.28
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cpe:2.3:a:lighttpd:lighttpd:1.4.29
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cpe:2.3:a:lighttpd:lighttpd:1.4.3
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cpe:2.3:a:lighttpd:lighttpd:1.4.30
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cpe:2.3:a:lighttpd:lighttpd:1.4.31
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cpe:2.3:a:lighttpd:lighttpd:1.4.32
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cpe:2.3:a:lighttpd:lighttpd:1.4.4
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cpe:2.3:a:lighttpd:lighttpd:1.4.5
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cpe:2.3:a:lighttpd:lighttpd:1.4.6
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cpe:2.3:a:lighttpd:lighttpd:1.4.7
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cpe:2.3:a:lighttpd:lighttpd:1.4.8
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cpe:2.3:a:lighttpd:lighttpd:1.4.9
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cpe:2.3:o:debian:debian_linux:6.0
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cpe:2.3:o:debian:debian_linux:7.0
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cpe:2.3:o:debian:debian_linux:8.0
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cpe:2.3:o:opensuse:opensuse:12.2
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cpe:2.3:o:opensuse:opensuse:12.3
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cpe:2.3:o:opensuse:opensuse:13.1