Vulnerability in Gnu Gnupg
CVE-2015-0837
The mpi_powm function in Libgcrypt before 1.6.3 and GnuPG before 1.4.19 allows attackers to obtain sensitive information by leveraging timing differences when accessing a pre-computed table during modular exponentiation, related to a "Last…
EPSS: 0.020 (78.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N.
Affected products
- Gnu Gnupg — versions before 1.4.19
- Gnu Libgcrypt — versions before 1.6.3
- Gnupg
- Gnupg Libgcrypt
- Debian Debian_linux — versions 7.0, 8.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security@debian.org (Third Party Advisory, x_refsource_MISC)
- security@debian.org (Third Party Advisory, x_refsource_MISC)
- security@debian.org (x_refsource_CONFIRM, Mailing List, Vendor Advisory)
- security@debian.org (x_refsource_CONFIRM, Mailing List, Vendor Advisory)
- security@debian.org (Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2015-0837?
- CVE-2015-0837 is a medium-severity vulnerability in Gnu Gnupg, classified under Observable Discrepancy. CVSS score: 5.9/10. Published 2019-11-29.
- How severe is CVE-2015-0837?
- Medium severity. CVSS v3 base score is 5.9 out of 10.
- Is CVE-2015-0837 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.