| Name | CVE-2016-6302 |
| Description | The tls_decrypt_ticket function in ssl/t1_lib.c in OpenSSL before 1.1.0 does not consider the HMAC size during validation of the ticket length, which allows remote attackers to cause a denial of service via a ticket that is too short. |
| 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 | medium (attack range: remote) |
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+deb8u12 | fixed | |
| stretch | 1.1.0k-1~deb9u1 | fixed | |
| stretch (security) | 1.1.0l-1~deb9u1 | fixed | |
| buster | 1.1.1c-1 | fixed | |
| buster (security) | 1.1.1d-0+deb10u2 | fixed | |
| bullseye, sid | 1.1.1d-2 | 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 | medium | ||
| openssl | source | jessie | 1.0.1t-1+deb8u4 | medium | DSA-3673-1 | |
| openssl | source | wheezy | 1.0.1t-1+deb7u1 | medium | DLA-637-1 |
https://git.openssl.org/?p=openssl.git;a=commit;h=e97763c92c655dcf4af2860b3abd2bc4c8a267f9
https://www.openssl.org/news/secadv/20160922.txt
Fixed in 1.0.2i, 1.0.1u