Vulnerability Monitor

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CVE-2014-9087

Integer underflow in the ksba_oid_to_str function in Libksba before 1.3.2, as used in GnuPG, allows remote attackers to cause a denial of service (crash) via a crafted OID in a (1) S/MIME message or (2) ECC based OpenPGP data, which triggers a buffer overflow.

Published

2014-12-01T15:59:11.797

Last Modified

2025-04-12T10:46:40.837

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 7.5 (HIGH)

CVSSv2 Vector

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

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

Exploitability Score

10.0

Impact Score

6.4

Weaknesses

Type: Primary
CWE-191

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	mageia	mageia	3.0	Yes
Operating System	mageia	mageia	4.0	Yes
Operating System	debian	debian_linux	7.0	Yes
Operating System	debian	debian_linux	8.0	Yes
Application	gnupg	libksba	< 1.3.2	Yes
Operating System	canonical	ubuntu_linux	12.04	Yes
Operating System	canonical	ubuntu_linux	14.04	Yes
Operating System	canonical	ubuntu_linux	14.10	Yes
Application	gnupg	gnupg	2.1.0	Yes
Application	gnupg	gnupg	2.1.0	Yes

References

http://advisories.mageia.org/MGASA-2014-0498.html Third Party Advisory ([email protected])
http://lists.gnupg.org/pipermail/gnupg-announce/2014q4/000359.html Mailing List, Vendor Advisory ([email protected])
http://secunia.com/advisories/60073 Third Party Advisory ([email protected])
http://secunia.com/advisories/60189 Third Party Advisory ([email protected])
http://secunia.com/advisories/60233 Third Party Advisory ([email protected])
http://www.debian.org/security/2014/dsa-3078 Third Party Advisory ([email protected])
http://www.mandriva.com/security/advisories?name=MDVSA-2014:234 Not Applicable ([email protected])
http://www.mandriva.com/security/advisories?name=MDVSA-2015:151 Not Applicable ([email protected])
http://www.securityfocus.com/bid/71285 Third Party Advisory, VDB Entry ([email protected])
http://www.ubuntu.com/usn/USN-2427-1 Patch, Third Party Advisory ([email protected])
https://blog.fuzzing-project.org/2-Buffer-overflow-and-other-minor-issues-in-GnuPG-and-libksba-TFPA-0012014.html Third Party Advisory ([email protected])
http://advisories.mageia.org/MGASA-2014-0498.html Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://lists.gnupg.org/pipermail/gnupg-announce/2014q4/000359.html Mailing List, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://secunia.com/advisories/60073 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://secunia.com/advisories/60189 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://secunia.com/advisories/60233 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.debian.org/security/2014/dsa-3078 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.mandriva.com/security/advisories?name=MDVSA-2014:234 Not Applicable (af854a3a-2127-422b-91ae-364da2661108)
http://www.mandriva.com/security/advisories?name=MDVSA-2015:151 Not Applicable (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/bid/71285 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
http://www.ubuntu.com/usn/USN-2427-1 Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://blog.fuzzing-project.org/2-Buffer-overflow-and-other-minor-issues-in-GnuPG-and-libksba-TFPA-0012014.html Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)