CVE-2015-0837 describes a timing side-channel vulnerability in the mpi_powm function of Libgcrypt before 1.6.3 and GnuPG before 1.4.19, affecting Debian and GnuPG products. This flaw, related to a "Last-Level Cache Side-Channel Attack," allows attackers to infer sensitive information by analyzing timing differences during modular exponentiation. Rated Medium severity (CVSS 5.9), it has a network attack vector and high confidentiality impact, but requires high attack complexity. There is no evidence of active exploitation, public exploit code, or significant community discussion, and it is not listed in the CISA KEV catalog.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 1.4.19CPE matchmatch criteria | cpe:2.3:a:gnupg:gnupg:*:*:*:*:*:*:*:* | ||
< 1.6.3CPE matchmatch criteria | cpe:2.3:a:gnupg:libgcrypt:*:*:*:*:*:*:*:* | ||
7.0CPE matchmatch criteria | cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:* | ||
8.0CPE matchmatch criteria | cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
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The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.