Candidate: CVE-2015-2689
PublicDate: 2020-01-24 18:15:00 UTC
References:
 https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-2689
 https://bugs.torproject.org/14129
Description:
 Tor before 0.2.4.26 and 0.2.5.x before 0.2.5.11 does not properly handle
 pending-connection resolve states during periods of high DNS load, which
 allows remote attackers to cause a denial of service (assertion failure and
 daemon exit) via crafted packets.
Ubuntu-Description:
Notes:
 sbeattie> DoS due to DNS triggering an abort
Bugs:
Priority: low
Discovered-by:
Assigned-to:
CVSS:
 nvd: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H [7.5 HIGH]

Patches_tor:
upstream_tor: released (0.2.5.11-1)
lucid_tor: DNE
precise_tor: ignored (reached end-of-life)
precise/esm_tor: DNE (precise was needed)
trusty_tor: released (0.2.4.27-1build0.14.04.1)
trusty/esm_tor: released (0.2.4.27-1build0.14.04.1)
utopic_tor: ignored (reached end-of-life)
vivid_tor: released (0.2.5.12-1build0.15.04.1)
vivid/stable-phone-overlay_tor: DNE
vivid/ubuntu-core_tor: DNE
wily_tor: not-affected (0.2.6.10-1)
xenial_tor: not-affected (0.2.6.10-1)
yakkety_tor: not-affected (0.2.6.10-1)
zesty_tor: not-affected (0.2.6.10-1)
devel_tor: not-affected (0.2.6.10-1)