CVE-2015-0837

medium

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."

References

https://lists.gnupg.org/pipermail/gnupg-announce/2015q1/000364.html

https://lists.gnupg.org/pipermail/gnupg-announce/2015q1/000363.html

https://ieeexplore.ieee.org/document/7163050

http://www.debian.org/security/2015/dsa-3185

http://www.debian.org/security/2015/dsa-3184

Details

Source: Mitre, NVD

Published: 2019-11-29

Updated: 2019-12-14

Risk Information

CVSS v2

Base Score: 4.3

Vector: CVSS2#AV:N/AC:M/Au:N/C:P/I:N/A:N

Severity: Medium

CVSS v3

Base Score: 5.9

Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

Severity: Medium