Integer overflow in Gnupg
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 · last modified .
CVSS v2 metric
CVSS v2 base score 7.5 (High). Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.057 (92.7th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 93rd percentile — 92.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.052 · newest: 0.057 · change: +0.005
Affected products
- Gnupg — versions 2.1.0
- Gnupg Libksba
- Mageia — versions 3.0, 4.0
- Canonical Ubuntu Linux — versions 12.04, 14.04, 14.10
- Debian Linux — versions 7.0, 8.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- blog.fuzzing-project.org/2-Buffer-overflow-and-other-minor-issues-in-GnuPG-and-… (Third Party Advisory)
- www.mandriva.com/security/advisories (vendor-advisory, Not Applicable)
- secunia.com/advisories/60233 (Third Party Advisory, third-party-advisory)
- www.debian.org/security/2014/dsa-3078 (vendor-advisory, Third Party Advisory)
- advisories.mageia.org/MGASA-2014-0498.html (Third Party Advisory)
- www.mandriva.com/security/advisories (vendor-advisory, Not Applicable)
- www.securityfocus.com/bid/71285 (VDB Entry, Third Party Advisory, vdb-entry)
- secunia.com/advisories/60073 (Third Party Advisory, third-party-advisory)
- secunia.com/advisories/60189 (Third Party Advisory, third-party-advisory)
- lists.gnupg.org/pipermail/gnupg-announce/2014q4/000359.html (Vendor Advisory, mailing-list, Mailing List)
Frequently asked questions
- What is CVE-2014-9087?
- CVE-2014-9087 is a vulnerability in Gnupg, classified under Integer Underflow. Published 2014-12-01.
- Is CVE-2014-9087 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.