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CVE-2016-4021

Published: 26 May 2016

The read_binary function in buffer.c in pgpdump before 0.30 allows context-dependent attackers to cause a denial of service (infinite loop and CPU consumption) via crafted input, as demonstrated by the \xa3\x03 string.

From the Ubuntu Security Team

It was discovered that PGPdump incorrectly handled certain inputs. An attacker could possibly use this issue to cause a denial of service.

Priority

Low

Cvss 3 Severity Score

7.5

Score breakdown

Status

Package Release Status
pgpdump
Launchpad, Ubuntu, Debian
artful Not vulnerable
(0.31-0.2)
bionic Not vulnerable
(0.31-0.2)
cosmic Not vulnerable
(0.31-0.2)
disco Not vulnerable
(0.31-0.2)
eoan Not vulnerable
(0.31-0.2)
focal Not vulnerable
(0.31-0.2)
groovy Not vulnerable
(0.31-0.2)
hirsute Not vulnerable
(0.31-0.2)
impish Not vulnerable
(0.31-0.2)
jammy Not vulnerable
(0.31-0.2)
kinetic Not vulnerable
(0.31-0.2)
lunar Not vulnerable
(0.31-0.2)
mantic Not vulnerable
(0.31-0.2)
noble Not vulnerable
(0.31-0.2)
precise
Released (0.27-1+deb7u1build0.12.04.1, 0.28-1+deb8u1)
trusty
Released (0.28-1+deb8u1build0.14.04.1)
upstream
Released (0.30)
wily Ignored
(end of life)
xenial Needed

yakkety Ignored
(end of life)
zesty Not vulnerable
(0.31-0.2)

Severity score breakdown

Parameter Value
Base score 7.5
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H