| Name | CVE-2015-2697 |
| Description | The build_principal_va function in lib/krb5/krb/bld_princ.c in MIT Kerberos 5 (aka krb5) before 1.14 allows remote authenticated users to cause a denial of service (out-of-bounds read and KDC crash) via an initial '\0' character in a long realm field within a TGS request. |
| 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-340-1, DSA-3395-1, DSA-3395-2 |
| Debian Bugs | 803088 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| krb5 (PTS) | jessie, jessie (lts) | 1.12.1+dfsg-19+deb8u9 | fixed |
| stretch (security) | 1.15-1+deb9u3 | fixed | |
| stretch (lts), stretch | 1.15-1+deb9u6 | fixed | |
| buster, buster (lts) | 1.17-3+deb10u7 | fixed | |
| buster (security) | 1.17-3+deb10u6 | fixed | |
| bullseye (security), bullseye | 1.18.3-6+deb11u5 | fixed | |
| bookworm (security), bookworm | 1.20.1-2+deb12u2 | fixed | |
| sid, trixie | 1.21.3-3 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| krb5 | source | squeeze | 1.8.3+dfsg-4squeeze10 | DLA-340-1 | ||
| krb5 | source | wheezy | 1.10.1+dfsg-5+deb7u6 | DSA-3395-2 | ||
| krb5 | source | jessie | 1.12.1+dfsg-19+deb8u1 | DSA-3395-1 | ||
| krb5 | source | (unstable) | 1.13.2+dfsg-3 | 803088 |
https://github.com/krb5/krb5/commit/f0c094a1b745d91ef2f9a4eae2149aac026a5789
Upstream ticket: http://krbdev.mit.edu/rt/Ticket/Display.html?id=8252