#VU64988 Cryptographic issues in Kerberos 5 - CVE-2010-1324
Vulnerability identifier: #VU64988
Vulnerability risk: High
CVSSv4.0: 1.7 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Amber]
CVE-ID:
CWE-ID:
CWE-310
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
Kerberos 5
Client/Desktop applications /
Software for system administration
Vendor: MIT
Description
The vulnerability allows a remote attacker to modify files on the system.
The vulnerability exists due to MIT Kerberos 5 does not properly determine the acceptability of checksums. A remote attacker can forge GSS tokens, gain privileges, or have unspecified other impact via an unkeyed checksum, an unkeyed PAC checksum, or a KrbFastArmoredReq checksum based on an RC4 key.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
Kerberos 5: 1.7 - 1.8.3
External links
https://kb.vmware.com/kb/1035108
https://lists.apple.com/archives/security-announce/2011/Mar/msg00006.html
https://lists.fedoraproject.org/pipermail/package-announce/2010-December/051976.html
https://lists.fedoraproject.org/pipermail/package-announce/2010-December/051999.html
https://lists.opensuse.org/opensuse-security-announce/2010-12/msg00000.html
https://lists.opensuse.org/opensuse-security-announce/2010-12/msg00006.html
https://lists.vmware.com/pipermail/security-announce/2011/000133.html
https://marc.info/?l=bugtraq&m=129562442714657&w=2
https://osvdb.org/69609
https://secunia.com/advisories/42399
https://secunia.com/advisories/43015
https://support.apple.com/kb/HT4581
https://web.mit.edu/kerberos/advisories/MITKRB5-SA-2010-007.txt
https://www.mandriva.com/security/advisories?name=MDVSA-2010:246
https://www.oracle.com/technetwork/topics/security/cpujul2015-2367936.html
https://www.redhat.com/support/errata/RHSA-2010-0925.html
https://www.securityfocus.com/archive/1/514953/100/0/threaded
https://www.securityfocus.com/archive/1/517739/100/0/threaded
https://www.securityfocus.com/bid/45116
https://www.securitytracker.com/id?1024803
https://www.ubuntu.com/usn/USN-1030-1
https://www.vmware.com/security/advisories/VMSA-2011-0007.html
https://www.vupen.com/english/advisories/2010/3094
https://www.vupen.com/english/advisories/2010/3095
https://www.vupen.com/english/advisories/2010/3118
https://www.vupen.com/english/advisories/2011/0187
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11936
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
