Linux Security
Linux Security
Linux Security

Debian: DSA-3395-1: krb5 security update

Date 06 Nov 2015
237
Posted By LinuxSecurity Advisories
Several vulnerabilities were discovered in krb5, the MIT implementation of Kerberos. The Common Vulnerabilities and Exposures project identifies the following problems:

- -------------------------------------------------------------------------
Debian Security Advisory DSA-3395-1                   This email address is being protected from spambots. You need JavaScript enabled to view it.
https://www.debian.org/security/                     Salvatore Bonaccorso
November 06, 2015                     https://www.debian.org/security/faq
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Package        : krb5
CVE ID         : CVE-2015-2695 CVE-2015-2696 CVE-2015-2697
Debian Bug     : 803083 803084 803088

Several vulnerabilities were discovered in krb5, the MIT implementation
of Kerberos. The Common Vulnerabilities and Exposures project identifies
the following problems:

CVE-2015-2695

    It was discovered that applications which call gss_inquire_context()
    on a partially-established SPNEGO context can cause the GSS-API
    library to read from a pointer using the wrong type, leading to a
    process crash.

CVE-2015-2696

    It was discovered that applications which call gss_inquire_context()
    on a partially-established IAKERB context can cause the GSS-API
    library to read from a pointer using the wrong type, leading to a
    process crash.

CVE-2015-2697

    It was discovered that the build_principal_va() function incorrectly
    handles input strings. An authenticated attacker can take advantage
    of this flaw to cause a KDC to crash using a TGS request with a
    large realm field beginning with a null byte.

For the oldstable distribution (wheezy), these problems have been fixed
in version 1.10.1+dfsg-5+deb7u4.

For the stable distribution (jessie), these problems have been fixed in
version 1.12.1+dfsg-19+deb8u1.

For the testing distribution (stretch), these problems have been fixed
in version 1.13.2+dfsg-3.

For the unstable distribution (sid), these problems have been fixed in
version 1.13.2+dfsg-3.

We recommend that you upgrade your krb5 packages.

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/

Mailing list: This email address is being protected from spambots. You need JavaScript enabled to view it.

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