CVE-2015-0837

MEDIUM EPSS 77.8%
Published Nov 29, 20196y ago · Modified Jun 17, 20262w ago
5.9 CVSS 3.1
Medium
Find Similar
Published Nov 29, 2019 6y ago
Last Modified Jun 17, 2026 2w ago

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 Details

Base Score
5.9
Exploitability
2.2
Impact
3.6
Vector string
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack Vector Network
Attack Complexity High
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality High
Integrity None
Availability None

Threat Intelligence

EPSS Exploit Probability
77.8% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-203

Affected Products 4

VendorProductVersionRange
gnupggnupg* <1.4.19
gnupglibgcrypt* <1.6.3
debiandebian_linux7.0any
debiandebian_linux8.0any

References 5

  • debian.org http://www.debian.org/security/2015/dsa-3184
    Third Party Advisory
  • debian.org http://www.debian.org/security/2015/dsa-3185
    Third Party Advisory
  • ieeexplore.ieee.org https://ieeexplore.ieee.org/document/7163050
    Third Party Advisory
  • lists.gnupg.org https://lists.gnupg.org/pipermail/gnupg-announce/2015q1/000363.html
    Mailing ListVendor Advisory
  • lists.gnupg.org https://lists.gnupg.org/pipermail/gnupg-announce/2015q1/000364.html
    Mailing ListVendor Advisory

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.