CVE-2020-28196

Name
CVE-2020-28196
Description
MIT Kerberos 5 (aka krb5) before 1.17.2 and 1.18.x before 1.18.3 allows unbounded recursion via an ASN.1-encoded Kerberos message because the lib/krb5/asn.1/asn1_encode.c support for BER indefinite lengths lacks a recursion limit.
NVD Severity
medium
Other trackers
CVE, NVD, CERT, CVE Details, CIRCL, Arch Linux, Debian, Red Hat, Ubuntu, Gentoo, SUSE (Bugzilla), SUSE (CVE), Mageia
Mailing lists
oss-security, full-disclosure, bugtraq
Exploits
Exploit DB, Metasploit
Forges
GitHub (code, issues), Aports (code, issues)

References

Type URI
Patch https://github.com/krb5/krb5/commit/57415dda6cf04e73ffc3723be518eddfae599bfd
Third Party Advisory https://lists.debian.org/debian-lts-announce/2020/11/msg00011.html
Third Party Advisory https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/73IGOG6CZAVMVNS4GGRMOLOZ7B6QVA7F/
Third Party Advisory https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/KPH2V3WSQTELROZK3GFCPQDOFLKIZ6H5/
Third Party Advisory https://security.gentoo.org/glsa/202011-17
FEDORA https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/45KKOZQWIIIW5C45PJVGQ32AXBSYNBE7/
DEBIAN https://www.debian.org/security/2020/dsa-4795
CONFIRM https://security.netapp.com/advisory/ntap-20201202-0001/
CONFIRM https://security.netapp.com/advisory/ntap-20210513-0002/
MISC https://www.oracle.com/security-alerts/cpuApr2021.html
MLIST https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4@%3Cissues.bookkeeper.apache.org%3E
MLIST https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b@%3Cissues.bookkeeper.apache.org%3E
N/A https://www.oracle.com//security-alerts/cpujul2021.html
MISC https://www.oracle.com/security-alerts/cpuapr2022.html

Match rules

CPE URI Source package Min version Max version
cpe:2.3:a:mit:kerberos_5:*:*:*:*:*:*:*:* kerberos_5 >= None < 1.17.2
cpe:2.3:a:mit:kerberos_5:*:*:*:*:*:*:*:* kerberos_5 >= 1.18.0 < 1.18.3

Vulnerable and fixed packages

Source package Branch Version Maintainer Status
krb5 3.11-main 1.17.2-r0 Natanael Copa <ncopa@alpinelinux.org> fixed
krb5 3.10-main 1.17.2-r0 Natanael Copa <ncopa@alpinelinux.org> fixed