The mpi_powm function in Libgcrypt before 1.6.3 and GnuPG... · CVE-2015-0837 · GitHub Advisory Database · GitHub

The mpi_powm function in Libgcrypt before 1.6.3 and GnuPG...

Moderate severity Unreviewed Published May 24, 2022 to the GitHub Advisory Database • Updated Apr 4, 2024

Package

No package listed— Suggest a package

Affected versions

Unknown

Patched versions

Unknown

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

Published by the National Vulnerability Database

Nov 29, 2019

Published to the GitHub Advisory Database May 24, 2022

Last updated Apr 4, 2024

Severity

Moderate

5.9

/ 10

CVSS base metrics

Attack vector

Network

Attack complexity

High

Privileges required

None

User interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N