Vulnerability Monitor

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CVE-2016-4354

ber-decoder.c in Libksba before 1.3.3 uses an incorrect integer data type, which allows remote attackers to cause a denial of service (crash) via crafted BER data, which leads to a buffer overflow.

Published

2016-06-13T19:59:04.770

Last Modified

2025-04-12T10:46:40.837

Status

Deferred

Source

[email protected]

Severity

CVSSv3.0: 7.5 (HIGH)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:N/I:N/A:P

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: NONE
Availability Impact: PARTIAL

Exploitability Score

10.0

Impact Score

2.9

Weaknesses

Type: Primary
CWE-119

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	canonical	ubuntu_linux	12.04	Yes
Operating System	canonical	ubuntu_linux	14.04	Yes
Application	gnupg	libksba	≤ 1.3.2	Yes

References

http://git.gnupg.org/cgi-bin/gitweb.cgi?p=libksba.git%3Ba=commit%3Bh=aea7b6032865740478ca4b706850a5217f1c3887 ([email protected])
http://www.openwall.com/lists/oss-security/2016/04/29/5 ([email protected])
http://www.openwall.com/lists/oss-security/2016/04/29/8 ([email protected])
http://www.ubuntu.com/usn/USN-2982-1 ([email protected])
https://security.gentoo.org/glsa/201604-04 ([email protected])
http://git.gnupg.org/cgi-bin/gitweb.cgi?p=libksba.git%3Ba=commit%3Bh=aea7b6032865740478ca4b706850a5217f1c3887 (af854a3a-2127-422b-91ae-364da2661108)
http://www.openwall.com/lists/oss-security/2016/04/29/5 (af854a3a-2127-422b-91ae-364da2661108)
http://www.openwall.com/lists/oss-security/2016/04/29/8 (af854a3a-2127-422b-91ae-364da2661108)
http://www.ubuntu.com/usn/USN-2982-1 (af854a3a-2127-422b-91ae-364da2661108)
https://security.gentoo.org/glsa/201604-04 (af854a3a-2127-422b-91ae-364da2661108)