Out-of-bounds read - CVE-2014-4342
Published: July 20, 2014 / Updated: August 4, 2020
Vulnerability identifier: #VU33659
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2014-4342
CWE-ID: CWE-125
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor:
Affected software:
Detailed vulnerability description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary error in MIT Kerberos 5 (aka krb5) 1.7.x through 1.12.x before 1.12.2. A remote attacker can perform a denial of service (buffer over-read or NULL pointer dereference, and application crash) by injecting invalid tokens into a GSSAPI application session.
How to mitigate CVE-2014-4342
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.
Sources
- http://advisories.mageia.org/MGASA-2014-0345.html
- http://krbdev.mit.edu/rt/Ticket/Display.html?id=7949
- http://rhn.redhat.com/errata/RHSA-2015-0439.html
- http://secunia.com/advisories/59102
- http://secunia.com/advisories/60082
- http://www.debian.org/security/2014/dsa-3000
- http://www.mandriva.com/security/advisories?name=MDVSA-2014:165
- http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html
- http://www.securityfocus.com/bid/68908
- http://www.securitytracker.com/id/1030706
- https://exchange.xforce.ibmcloud.com/vulnerabilities/94903
- https://github.com/krb5/krb5/commit/e6ae703ae597d798e310368d52b8f38ee11c6a73