Vulnerability CVE-2014-9087
Published: 2014-12-01

Description:
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.

CVSS2 => (AV:N/AC:L/Au:N/C:N/I:N/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
5/10
2.9/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Partial
Affected software
Mageia -> Mageia 
Libksba project -> Libskba 
Debian -> Debian linux 
Canonical -> Ubuntu linux 

 References:
http://advisories.mageia.org/MGASA-2014-0498.html
http://lists.gnupg.org/pipermail/gnupg-announce/2014q4/000359.html
http://www.debian.org/security/2014/dsa-3078
http://www.mandriva.com/security/advisories?name=MDVSA-2014:234
http://www.mandriva.com/security/advisories?name=MDVSA-2015:151
http://www.securityfocus.com/bid/71285
http://www.ubuntu.com/usn/USN-2427-1
https://blog.fuzzing-project.org/2-Buffer-overflow-and-other-minor-issues-in-GnuPG-and-libksba-TFPA-0012014.html
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