Use After Free in Gnupg
CVE-2015-1606
The keyring DB in GnuPG before 2.1.2 does not properly handle invalid packets, which allows remote attackers to cause a denial of service (invalid read and use-after-free) via a crafted keyring file.
Vulnerability class: Use-After-Free
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.019 (79.1th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 79th percentile — 79.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.019 · newest: 0.019 · change: 0.000
Affected products
- Gnupg
- Debian Linux — versions 7.0, 8.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- blog.fuzzing-project.org/5-Multiple-issues-in-GnuPG-found-through-keyring-fuzzi… (Third Party Advisory)
- www.debian.org/security/2015/dsa-3184 (Third Party Advisory)
- www.openwall.com/lists/oss-security/2015/02/13/14 (Mailing List, Third Party Advisory)
- www.openwall.com/lists/oss-security/2015/02/14/6 (Mailing List, Third Party Advisory)
- git.gnupg.org/cgi-bin/gitweb.cgi
- www.securitytracker.com/id/1031876 (VDB Entry, Third Party Advisory)
Frequently asked questions
- What is CVE-2015-1606?
- CVE-2015-1606 is a medium-severity vulnerability in Gnupg, classified under Use After Free. CVSS score: 5.5/10. Published 2019-11-20.
- How severe is CVE-2015-1606?
- Medium severity. CVSS v3 base score is 5.5 out of 10.
- Is CVE-2015-1606 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.