CVE-2016-4021 Information

Description

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.

CVSS Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Reference

http://lists.fedoraproject.org/pipermail/package-announce/2016-May/183750.html http://lists.fedoraproject.org/pipermail/package-announce/2016-May/184617.html http://lists.fedoraproject.org/pipermail/package-announce/2016-May/184689.html http://seclists.org/bugtraq/2016/Apr/99 https://github.com/kazu-yamamoto/pgpdump/pull/16 https://www.syss.de/fileadmin/dokumente/Publikationen/Advisories/SYSS-2016-030.txt

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

7.5