Vulnerability Details : CVE-2011-0490
Tor before 0.2.1.29 and 0.2.2.x before 0.2.2.21-alpha makes calls to Libevent within Libevent log handlers, which might allow remote attackers to cause a denial of service (daemon crash) via vectors that trigger certain log messages.
Vulnerability category: Denial of service
Exploit prediction scoring system (EPSS) score for CVE-2011-0490
Probability of exploitation activity in the next 30 days: 2.09%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 88 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2011-0490
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|
|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:N/I:N/A:P |
10.0
|
2.9
|
[email protected] |
References for CVE-2011-0490
-
https://trac.torproject.org/projects/tor/ticket/2190
- https://gitweb.torproject.org/tor.git/blob/refs/heads/release-0.2.2:/ChangeLog
-
http://blog.torproject.org/blog/tor-02129-released-security-patches
Patch;Vendor Advisory
-
https://exchange.xforce.ibmcloud.com/vulnerabilities/64889
- http://archives.seul.org/or/announce/Jan-2011/msg00000.html
- http://www.securityfocus.com/bid/45953
Products affected by CVE-2011-0490
- cpe:2.3:a:tor:tor:*:*:*:*:*:*:*:*
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