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CVE-2015-1607

Published: 16 February 2015

kbx/keybox-search.c in GnuPG before 1.4.19, 2.0.x before 2.0.27, and 2.1.x before 2.1.2 does not properly handle bitwise left-shifts, which allows remote attackers to cause a denial of service (invalid read operation) via a crafted keyring file, related to sign extensions and "memcpy with overlapping ranges."

Priority

Low

Cvss 3 Severity Score

5.5

Score breakdown

Status

Package Release Status
gnupg
Launchpad, Ubuntu, Debian
lucid
Released (1.4.10-2ubuntu1.8)
precise
Released (1.4.11-3ubuntu2.9)
trusty
Released (1.4.16-1ubuntu2.3)
upstream
Released (1.4.18-7)
utopic
Released (1.4.16-1.2ubuntu1.2)
Patches:
upstream: http://git.gnupg.org/cgi-bin/gitweb.cgi?p=gnupg.git;a=commit;h=57af33d9e7c9b20b413b96882e670e75a67a5e65 (1.4)

gnupg2
Launchpad, Ubuntu, Debian
lucid Ignored
(end of life)
precise
Released (2.0.17-2ubuntu2.12.04.6)
trusty
Released (2.0.22-3ubuntu1.3)
upstream
Released (2.0.27,2.0.26-5)
utopic
Released (2.0.24-1ubuntu2.2)
Patches:

upstream: http://git.gnupg.org/cgi-bin/gitweb.cgi?p=gnupg.git;a=commit;h=3627123dc8fdc551caca1c7944713fbf01feccf6 (2.0)

Severity score breakdown

Parameter Value
Base score 5.5
Attack vector Local
Attack complexity Low
Privileges required None
User interaction Required
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H