CVE-2015-0837
5.9
MEDIUM
CVSS 3.1
EPSS 0.68%
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."
How to fix CVE-2015-0837
To remediate CVE-2015-0837, upgrade the affected package to a fixed version below.
- Debian/libgcrypt20—upgrade to 1.6.3-2 or later
Is CVE-2015-0837 being exploited?
Low — EPSS is 0.7%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 1.6.3-2
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.9 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N |