CVEvulnerability
CVE-2015-0837
5.9 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2019-11-29
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 5.9 MEDIUM — CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
- CVSS 2.0 ([email protected])
- 4.3 MEDIUM — AV:N/AC:M/Au:N/C:P/I:N/A:N
- Weaknesses
- CWE-203
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."
Affected configurations
• gnupg gnupg (< 1.4.19)
• gnupg libgcrypt (< 1.6.3)
• debian debian linux 7.0
• debian debian linux 8.0
Related
Weakness · CWE (1)
- CWE-203 Observable Discrepancy weakness
References
- http://www.debian.org/security/2015/dsa-3184 Third Party Advisory
- http://www.debian.org/security/2015/dsa-3185 Third Party Advisory
- https://ieeexplore.ieee.org/document/7163050 Third Party Advisory
- https://lists.gnupg.org/pipermail/gnupg-announce/2015q1/000363.html Mailing List, Vendor Advisory
- https://lists.gnupg.org/pipermail/gnupg-announce/2015q1/000364.html Mailing List, Vendor Advisory
- http://www.debian.org/security/2015/dsa-3184 Third Party Advisory
- http://www.debian.org/security/2015/dsa-3185 Third Party Advisory
- https://ieeexplore.ieee.org/document/7163050 Third Party Advisory
- https://lists.gnupg.org/pipermail/gnupg-announce/2015q1/000363.html Mailing List, Vendor Advisory
- https://lists.gnupg.org/pipermail/gnupg-announce/2015q1/000364.html Mailing List, Vendor Advisory