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CVE-2014-5355

5.0 · MEDIUM

MIT Kerberos 5 (aka krb5) through 1.13.1 incorrectly expects that a krb5_read_message data field is represented as a string ending with a '\0' character, which allows remote attackers to (1) cause…

Published Feb 20, 2015mitEPSS 4.59%

Overview

CVE-2014-5355 is a medium-severity vulnerability affecting mit kerberos_5. It was published on February 20, 2015 and has a CVSS 2.0 base score of 5.0 (MEDIUM).

This vulnerability has a CVSS 2.0 base score of 5.0, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

MIT Kerberos 5 (aka krb5) through 1.13.1 incorrectly expects that a krb5_read_message data field is represented as a string ending with a '\0' character, which allows remote attackers to (1) cause a denial of service (NULL pointer dereference) via a zero-byte version string or (2) cause a denial of service (out-of-bounds read) by omitting the '\0' character, related to appl/user_user/server.c and lib/krb5/krb/recvauth.c.

Remediation

Check the references section for vendor advisories and patches from mit. Update kerberos_5 to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus

References

Refkrbdev.mit.edu/rt/Ticket/Display.html?id=8050Reflists.opensuse.org/opensuse-updates/2015-03/msg00061.htmlRefrhn.redhat.com/errata/RHSA-2015-0794.htmlRefwww.mandriva.com/security/advisories?name=MDVSA-2015:069Refwww.oracle.com/technetwork/topics/security/bulletinjan2015-2370101.htmlRefwww.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.htmlRefwww.securityfocus.com/bid/74042Refwww.ubuntu.com/usn/USN-2810-1GitHubgithub.com/krb5/krb5/commit/102bb6ebf20f9174130c85c3b052ae104e5073ecReflists.debian.org/debian-lts-announce/2018/01/msg00040.html

How CyberStrike helps

Frequently asked questions

What is CVE-2014-5355?

CVE-2014-5355 is a medium-severity vulnerability affecting mit kerberos_5. It was published on February 20, 2015 and has a CVSS 2.0 base score of 5.0 (MEDIUM).

How severe is CVE-2014-5355?

This vulnerability has a CVSS 2.0 base score of 5.0, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2014-5355?

Check the references section for vendor advisories and patches from mit. Update kerberos_5 to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2014-5355?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2014-5355 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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