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Debian LTS: Security Advisory for krb5 (DLA-2437-1)

Information

Severity

Severity

Medium

Family

Family

Debian Local Security Checks

CVSSv2 Base

CVSSv2 Base

5.0

CVSSv2 Vector

CVSSv2 Vector

AV:N/AC:L/Au:N/C:P/I:N/A:N

Solution Type

Solution Type

Vendor Patch

Created

Created

3 years ago

Modified

Modified

3 years ago

Summary

The remote host is missing an update for the 'krb5' package(s) announced via the DLA-2437-1 advisory.

Insight

Insight

It was discovered that there was a denial of service vulnerability in the MIT Kerberos network authentication system, krb5. The lack of a limit in the ASN.1 decoder could lead to infinite recursion and allow an attacker to overrun the stack and cause the process to crash.

Affected Software

Affected Software

'krb5' package(s) on Debian Linux.

Detection Method

Detection Method

Checks if a vulnerable package version is present on the target host.

Solution

Solution

For Debian 9 'Stretch', this problem has been fixed in version 1.15-1+deb9u2. We recommend that you upgrade your krb5 packages.

Common Vulnerabilities and Exposures (CVE)