| Name | CVE-2015-7511 |
| Description | Libgcrypt before 1.6.5 does not properly perform elliptic-point curve multiplication during decryption, which makes it easier for physically proximate attackers to extract ECDH keys by measuring electromagnetic emanations. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DSA-3474-1, DSA-3478-1 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| 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.
Notes
[squeeze] - libgcrypt11 <not-affected> (Vulnerable code not present)
http://www.cs.tau.ac.IL/~tromer/ecdh/
http://git.gnupg.org/cgi-bin/gitweb.cgi?p=libgcrypt.git;a=commit;h=fcbb9fcc2e6983ea61bf565b6ee2e29816b8cd57 (LIBGCRYPT-1-5-BRANCH)
http://git.gnupg.org/cgi-bin/gitweb.cgi?p=libgcrypt.git;a=commit;h=de7db12fa04016e12dffb2b678632f45eba15ec4 (libgcrypt-1.6.5)
http://git.gnupg.org/cgi-bin/gitweb.cgi?p=libgcrypt.git;a=commit;h=28eb424e4427b320ec1c9c4ce56af25d495230bd (libgcrypt-1.6.5)
http://git.gnupg.org/cgi-bin/gitweb.cgi?p=libgcrypt.git;a=commit;h=88e1358962e902ff1cbec8d53ba3eee46407851a (master)