VulnerabilityModified
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-Level Cache…
MEDIUM 5.9EPSS 1.95%
Does this matter?
Lower severity and a low EPSS score (1.95%). Track it; it rarely justifies an emergency change on its own.
Description
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-Level Cache Side-Channel Attack."
- CVSS 3.1
- 5.9 MEDIUMCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
- EPSS
- 1.95% probability · 79th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-203
- Affected
- gnupg/gnupg · gnupg/libgcrypt · debian/debian linux
- Source
- security@debian.org
References
- http://www.debian.org/security/2015/dsa-3184Third Party Advisory
- http://www.debian.org/security/2015/dsa-3185Third Party Advisory
- https://ieeexplore.ieee.org/document/7163050Third Party Advisory
- https://lists.gnupg.org/pipermail/gnupg-announce/2015q1/000363.htmlMailing List, Vendor Advisory
- https://lists.gnupg.org/pipermail/gnupg-announce/2015q1/000364.htmlMailing List, Vendor Advisory
- http://www.debian.org/security/2015/dsa-3184Third Party Advisory
- http://www.debian.org/security/2015/dsa-3185Third Party Advisory
- https://ieeexplore.ieee.org/document/7163050Third Party Advisory
- https://lists.gnupg.org/pipermail/gnupg-announce/2015q1/000363.htmlMailing List, Vendor Advisory
- https://lists.gnupg.org/pipermail/gnupg-announce/2015q1/000364.htmlMailing List, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.