Improper input validation in Gnupg
CVE-2015-1607
kbx/keybox-search.c in GnuPG before 1.4.19, 2.0.x before 2.0.27, and 2.1.x before 2.1.2 does not properly handle bitwise left-shifts, which allows remote attackers to cause a denial of service (invalid read operation) via a crafted keyring file, related to sign extensions and "memcpy with overlapping ranges."
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
EPSS: 0.025 (82.9th percentile) — read the EPSS interpretation.
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.
Affected products
- Gnupg
- Canonical Ubuntu_linux — versions 10.04, 12.04, 14.04
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (Mailing List, x_refsource_MISC, Release Notes, Vendor Advisory)
- cve@mitre.org (Mailing List, Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (Mailing List, Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (Mailing List, x_refsource_MISC, Release Notes, Vendor Advisory)
- cve@mitre.org (Mailing List, x_refsource_MISC, Release Notes, Vendor Advisory)
- cve@mitre.org (x_refsource_MISC)
- cve@mitre.org (Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (VDB Entry, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2015-1607?
- CVE-2015-1607 is a medium-severity vulnerability in Gnupg, classified under Improper Input Validation. CVSS score: 5.5/10. Published 2019-11-20.
- How severe is CVE-2015-1607?
- Medium severity. CVSS v3 base score is 5.5 out of 10.
- Is CVE-2015-1607 known to be exploited?
- 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.