CVE-2015-2697
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…
Does this matter?
Lower severity and a low EPSS score (4.13%). Track it; it rarely justifies an emergency change on its own.
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.
- CVSS 2.0
- 4.0 MEDIUMAV:N/AC:L/Au:S/C:N/I:N/A:P
- EPSS
- 4.13% probability · 90th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-125
- Affected
- mit/kerberos 5 · oracle/solaris · canonical/ubuntu linux · debian/debian linux · opensuse/leap · opensuse/opensuse · suse/linux enterprise desktop · suse/linux enterprise server · suse/linux enterprise software development kit
- Source
- cve@mitre.org
References
- http://krbdev.mit.edu/rt/Ticket/Display.html?id=8252Vendor Advisory
- http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00006.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00014.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00022.htmlMailing List, Third Party Advisory
- http://www.debian.org/security/2015/dsa-3395Third Party Advisory
- http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.htmlThird Party Advisory
- http://www.securityfocus.com/bid/77581Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1034084Third Party Advisory, VDB Entry
- http://www.ubuntu.com/usn/USN-2810-1Third Party Advisory
- https://github.com/krb5/krb5/commit/f0c094a1b745d91ef2f9a4eae2149aac026a5789Patch, Third Party Advisory
- https://security.gentoo.org/glsa/201611-14Third Party Advisory
- http://krbdev.mit.edu/rt/Ticket/Display.html?id=8252Vendor Advisory
- http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00006.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00014.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00022.htmlMailing List, Third Party Advisory
- http://www.debian.org/security/2015/dsa-3395Third Party Advisory
- http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.htmlThird Party Advisory
- http://www.securityfocus.com/bid/77581Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1034084Third Party Advisory, VDB Entry
- http://www.ubuntu.com/usn/USN-2810-1Third Party Advisory
- https://github.com/krb5/krb5/commit/f0c094a1b745d91ef2f9a4eae2149aac026a5789Patch, Third Party Advisory
- https://security.gentoo.org/glsa/201611-14Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.