cbcvebase.
CVE-2015-2688
published 2020-01-24

CVE-2015-2688: buf_pullup in Tor before 0.2.4.26 and 0.2.5.x before 0.2.5.11 does not properly handle unexpected arrival times of buffers with invalid layouts, which allows…

PriorityP336high7.5CVSS 3.1
AVNACLPRNUINSUCNINAH
EPSS
2.19%
80.4th percentile
buf_pullup in Tor before 0.2.4.26 and 0.2.5.x before 0.2.5.11 does not properly handle unexpected arrival times of buffers with invalid layouts, which allows remote attackers to cause a denial of service (assertion failure and daemon exit) via crafted packets.

Affected

9 ranges
VendorProductVersion rangeFixed in
debiantor< tor 0.2.5.11-1 (bookworm)tor 0.2.5.11-1 (bookworm)
the_tor_projecttor——
the_tor_projecttor——
torprojecttor< 0.2.4.260.2.4.26
torprojecttor>= 0 < 0.2.5.11-10.2.5.11-1
torprojecttor>= 0 < 0.2.5.11-10.2.5.11-1
torprojecttor>= 0 < 0.2.5.11-10.2.5.11-1
torprojecttor>= 0 < 0.2.5.11-10.2.5.11-1
torprojecttor>= 0.2.5.1 < 0.2.5.110.2.5.11

CVSS provenance

nvdv3.17.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
nvdv2.05.0MEDIUMAV:N/AC:L/Au:N/C:N/I:N/A:P
osv7.5HIGH
vendor_debian7.5HIGH
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