| Name | CVE-2015-0837 |
| 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." |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DLA-175-1, DLA-190-1, DSA-3184-1, DSA-3185-1 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| gnupg (PTS) | jessie, jessie (lts) | 1.4.18-7+deb8u5 | fixed |
| libgcrypt20 (PTS) | jessie, jessie (lts) | 1.6.3-2+deb8u9 | fixed |
| stretch (security), stretch (lts), stretch | 1.7.6-2+deb9u4 | fixed | |
| buster | 1.8.4-5+deb10u1 | fixed | |
| bullseye | 1.8.7-6 | fixed | |
| bookworm | 1.10.1-3 | fixed | |
| sid, trixie | 1.11.0-6 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| gnupg | source | squeeze | 1.4.10-4+squeeze7 | DLA-175-1 | ||
| gnupg | source | wheezy | 1.4.12-7+deb7u7 | DSA-3184-1 | ||
| gnupg | source | (unstable) | 1.4.18-7 | |||
| libgcrypt11 | source | squeeze | 1.4.5-2+squeeze3 | DLA-190-1 | ||
| libgcrypt11 | source | wheezy | 1.5.0-5+deb7u3 | DSA-3185-1 | ||
| libgcrypt11 | source | (unstable) | (unfixed) | |||
| libgcrypt20 | source | (unstable) | 1.6.3-2 |
http://git.gnupg.org/cgi-bin/gitweb.cgi?p=gnupg.git;a=commit;h=6cbc75e71295f23431c4ab95edc7573f2fc28476