CVE-2014-9087
high
CVSS v3
—
CVSS v2
7.5
VIR risk
7.5
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.
Predictions
Exploit likelihood
20%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2014-9087
Vendor advisory: security@debian.org — http://www.ubuntu.com/usn/USN-2427-1
Vendor advisory: security@debian.org — http://lists.gnupg.org/pipermail/gnupg-announce/2014q4/000359.html
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| debian | bookworm | fixed | 0 |
| debian | bullseye | fixed | 0 |
| debian | forky | fixed | 0 |
| debian | sid | fixed | 0 |
| debian | trixie | fixed | 0 |
| debian | 7.0 | affected | |
| debian | 8.0 | affected | |
| ubuntu | 12.04 | affected | |
| ubuntu | 14.04 | affected | |
| ubuntu | 14.10 | affected | |
References
- http://advisories.mageia.org/MGASA-2014-0498.html
- http://lists.gnupg.org/pipermail/gnupg-announce/2014q4/000359.html
- http://secunia.com/advisories/60073
- http://secunia.com/advisories/60189
- http://secunia.com/advisories/60233
- 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
- https://security-tracker.debian.org/tracker/CVE-2014-9087
CWEs
CWE-191
Verify integrity in audit chain (admin only). AS-IS.