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CVE-2015-2697

Publication date 8 November 2015

Last updated 24 July 2024

Ubuntu priority

Medium

Why this priority?

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.

Read the notes from the security team

Status

Package Ubuntu Release Status
krb5 15.10 wily
Fixed 1.13.2+dfsg-2ubuntu0.1
15.04 vivid
Fixed 1.12.1+dfsg-18ubuntu0.1
14.04 LTS trusty
Fixed 1.12+dfsg-2ubuntu5.2
12.04 LTS precise
Fixed 1.10+dfsg~beta1-2ubuntu0.7

Notes

sbeattie

kdc crash

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package Patch details
krb5

References

Related Ubuntu Security Notices (USN)

    • USN-2810-1
    • Kerberos vulnerabilities
    • 12 November 2015

Other references