Vulnerability Details CVE-2018-0491
A use-after-free issue was discovered in Tor 0.3.2.x before 0.3.2.10. It allows remote attackers to cause a denial of service (relay crash) because the KIST implementation allows a channel to be added more than once in the pending list.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.08
EPSS Ranking 91.7%
CVSS Severity
CVSS v3 Score 7.5
CVSS v2 Score 5.0
References
- https://blog.torproject.org/new-stable-tor-releases-security-fixes-and-dos-prevention-03210-03110-02915
- https://trac.torproject.org/projects/tor/ticket/24700
- https://trac.torproject.org/projects/tor/ticket/25117
- https://www.exploit-db.com/exploits/44994/
- https://blog.torproject.org/new-stable-tor-releases-security-fixes-and-dos-prevention-03210-03110-02915
- https://trac.torproject.org/projects/tor/ticket/24700
- https://trac.torproject.org/projects/tor/ticket/25117
- https://www.exploit-db.com/exploits/44994/
Products affected by CVE-2018-0491
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cpe:2.3:a:torproject:tor:0.3.2.1
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cpe:2.3:a:torproject:tor:0.3.2.2
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cpe:2.3:a:torproject:tor:0.3.2.3
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cpe:2.3:a:torproject:tor:0.3.2.4
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cpe:2.3:a:torproject:tor:0.3.2.5
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cpe:2.3:a:torproject:tor:0.3.2.6
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cpe:2.3:a:torproject:tor:0.3.2.7
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cpe:2.3:a:torproject:tor:0.3.2.8
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cpe:2.3:a:torproject:tor:0.3.2.9