Vulnerability Details : CVE-2015-2929
The Hidden Service (HS) client implementation in Tor before 0.2.4.27, 0.2.5.x before 0.2.5.12, and 0.2.6.x before 0.2.6.7 allows remote servers to cause a denial of service (assertion failure and application exit) via a malformed HS descriptor.
Vulnerability category: Denial of service
Products affected by CVE-2015-2929
- cpe:2.3:a:torproject:tor:*:*:*:*:*:*:*:*
- cpe:2.3:a:torproject:tor:*:*:*:*:*:*:*:*
- cpe:2.3:a:torproject:tor:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2015-2929
0.12%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 45 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2015-2929
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:N/I:N/A:P |
10.0
|
2.9
|
NIST | |
|
7.5
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
3.9
|
3.6
|
NIST |
References for CVE-2015-2929
-
https://trac.torproject.org/projects/tor/ticket/15601
#15601 (Remote assert in hidden service client code) – Tor Bug Tracker & WikiVendor Advisory
-
http://openwall.com/lists/oss-security/2015/04/06/5
oss-security - CVE Request: tor: new upstream releases (0.2.6.7, 0.2.5.12 and 0.2.4.27) fixing security issuesMailing List;Third Party Advisory
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