Name | CVE-2009-0845 |
Description | The spnego_gss_accept_sec_context function in lib/gssapi/spnego/spnego_mech.c in MIT Kerberos 5 (aka krb5) 1.5 through 1.6.3, when SPNEGO is used, allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via invalid ContextFlags data in the reqFlags field in a negTokenInit token. |
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-1766-1 |
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 | etch | 1.4.4-7etch7 | DSA-1766-1 | ||
krb5 | source | lenny | 1.6.dfsg.4~beta1-5lenny1 | DSA-1766-1 | ||
krb5 | source | (unstable) | 1.6.dfsg.4~beta1-13 |
[etch] - krb5 <not-affected> (Vulnerable code was introduced in 1.5)