| Name | CVE-2016-2178 |
| Description | The dsa_sign_setup function in crypto/dsa/dsa_ossl.c in OpenSSL through 1.0.2h does not properly ensure the use of constant-time operations, which makes it easier for local users to discover a DSA private key via a timing side-channel attack. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more) |
| References | DLA-637-1, DSA-3673-1 |
| NVD severity | low (attack range: local) |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| openssl (PTS) | jessie | 1.0.1t-1+deb8u8 | fixed |
| jessie (security) | 1.0.1t-1+deb8u11 | fixed | |
| stretch | 1.1.0j-1~deb9u1 | fixed | |
| stretch (security) | 1.1.0k-1~deb9u1 | fixed | |
| buster, bullseye, sid | 1.1.1c-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| openssl | source | (unstable) | 1.0.2i-1 | low | ||
| openssl | source | jessie | 1.0.1t-1+deb8u4 | low | DSA-3673-1 | |
| openssl | source | wheezy | 1.0.1t-1+deb7u1 | low | DLA-637-1 |
Fixed in master branch in https://git.openssl.org/?p=openssl.git;a=commit;h=399944622df7bd81af62e67ea967c470534090e2
https://www.openssl.org/news/secadv/20160922.txt
Fixed in 1.0.2i, 1.0.1u