| Name | CVE-2015-2698 |
| Description | The iakerb_gss_export_sec_context function in lib/gssapi/krb5/iakerb.c in MIT Kerberos 5 (aka krb5) 1.14 pre-release 2015-09-14 improperly accesses a certain pointer, which allows remote authenticated users to cause a denial of service (memory corruption) or possibly have unspecified other impact by interacting with an application that calls the gss_export_sec_context function. NOTE: this vulnerability exists because of an incorrect fix for CVE-2015-2696. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
Vulnerable and fixed packages
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 | (not affected) | | | |
| krb5 | source | wheezy | (not affected) | | | |
| krb5 | source | jessie | (not affected) | | | |
| krb5 | source | (unstable) | 1.13.2+dfsg-4 | | | |
Notes
[jessie] - krb5 <not-affected> (Only affected when applying original patch for CVE-2015-2696 only)
[wheezy] - krb5 <not-affected> (Only affected when applying original patch for CVE-2015-2696 only)
[squeeze] - krb5 <not-affected> (Vulnerable code not present)
Upstream ticket: http://krbdev.mit.edu/rt/Ticket/Display.html?id=8273
https://github.com/krb5/krb5/commit/3db8dfec1ef50ddd78d6ba9503185995876a39fd