CVE-2015-0837
CVE-2015-0837
This page contains facts from public vulnerability sources. Check the original advisory before updating.
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 5.9 · Medium · EPSS 2.0% · Fix available
- Published
- Updated
Stack: system
Affected products and versions
libgcrypt
- Versions
- before 1.6.3: Affected
No fix published
gnupg
- Versions
- before 1.4.19: Affected
No fix published
libgcrypt20 Debian:12
- Affected ranges
- ECOSYSTEM: < 1.6.3-2
Update to 1.6.3-2
libgcrypt20 Debian:13
- Affected ranges
- ECOSYSTEM: < 1.6.3-2
Update to 1.6.3-2
libgcrypt20 Debian:14
- Affected ranges
- ECOSYSTEM: < 1.6.3-2
Update to 1.6.3-2
gnupg Ubuntu:14.04:LTS
- Versions
- 1.4.14-1ubuntu2
- 1.4.15-1.1ubuntu1
- 1.4.15-1.1ubuntu2
- 1.4.15-2ubuntu1
- 1.4.16-1ubuntu1
- 1.4.16-1ubuntu2
- 1.4.16-1ubuntu2.1
- Affected ranges
- ECOSYSTEM: < 1.4.16-1ubuntu2.3
Update to 1.4.16-1ubuntu2.3
libgcrypt11 Ubuntu:14.04:LTS
- Versions
- 1.5.0-3ubuntu3
- 1.5.3-2ubuntu1
- 1.5.3-2ubuntu4
- 1.5.3-2ubuntu4.1
- Affected ranges
- ECOSYSTEM: < 1.5.3-2ubuntu4.2
Update to 1.5.3-2ubuntu4.2
libgcrypt20 Ubuntu:14.04:LTS
- Versions
- 1.6.0-2
- 1.6.0-2ubuntu2
- 1.6.1-1
- 1.6.1-2
- 1.6.1-2ubuntu1
- Affected ranges
- ECOSYSTEM: < 1.6.1-2ubuntu1.14.04.1
Update to 1.6.1-2ubuntu1.14.04.1
Original sources
- http://www.debian.org/security/2015/dsa-3184
- http://www.debian.org/security/2015/dsa-3185
- https://lists.gnupg.org/pipermail/gnupg-announce/2015q1/000363.html
- https://lists.gnupg.org/pipermail/gnupg-announce/2015q1/000364.html
- https://ieeexplore.ieee.org/document/7163050
- https://nvd.nist.gov/vuln/detail/CVE-2015-0837