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6.3
CVSSv3

CVE-2010-4020

Published: 02/12/2010 Updated: 21/01/2020
CVSS v2 Base Score: 3.5 | Impact Score: 2.9 | Exploitability Score: 6.8
CVSS v3 Base Score: 6.3 | Impact Score: 3.4 | Exploitability Score: 2.8
VMScore: 312
Vector: AV:N/AC:M/Au:S/C:N/I:P/A:N
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Vulnerability Summary

MIT Kerberos 5 (aka krb5) 1.8.x up to and including 1.8.3 does not reject RC4 key-derivation checksums, which might allow remote authenticated users to forge a (1) AD-SIGNEDPATH or (2) AD-KDC-ISSUED signature, and possibly gain privileges, by leveraging the small key space that results from certain one-byte stream-cipher operations.

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mit kerberos 5 1.8

mit kerberos 5 1.8.3

mit kerberos 5 1.8.1

mit kerberos 5 1.8.2

Vendor Advisories

Ubuntu Security Notice: krb5 vulnerabilities
It was discovered that Kerberos did not properly determine the acceptability of certain checksums A remote attacker could use certain checksums to alter the prompt message, modify a response to a Key Distribution Center (KDC) or forge a KRB-SAFE message (CVE-2010-1323) ...

References

CWE-310http://web.mit.edu/kerberos/advisories/MITKRB5-SA-2010-007.txthttp://www.redhat.com/support/errata/RHSA-2010-0925.htmlhttp://www.mandriva.com/security/advisories?name=MDVSA-2010:246http://osvdb.org/69608http://www.securityfocus.com/bid/45117http://secunia.com/advisories/42399http://www.securitytracker.com/id?1024803http://www.vupen.com/english/advisories/2010/3095http://www.vupen.com/english/advisories/2010/3118http://www.vupen.com/english/advisories/2010/3094http://lists.fedoraproject.org/pipermail/package-announce/2010-December/051999.htmlhttp://lists.fedoraproject.org/pipermail/package-announce/2010-December/051976.htmlhttp://www.ubuntu.com/usn/USN-1030-1http://lists.opensuse.org/opensuse-security-announce/2010-12/msg00000.htmlhttp://lists.opensuse.org/opensuse-security-announce/2010-12/msg00006.htmlhttp://support.apple.com/kb/HT4581http://lists.apple.com/archives/security-announce/2011/Mar/msg00006.htmlhttp://www.vmware.com/security/advisories/VMSA-2011-0007.htmlhttp://kb.vmware.com/kb/1035108http://lists.vmware.com/pipermail/security-announce/2011/000133.htmlhttp://www.oracle.com/technetwork/topics/security/cpujul2015-2367936.htmlhttp://www.securityfocus.com/archive/1/517739/100/0/threadedhttp://www.securityfocus.com/archive/1/514953/100/0/threadedhttps://usn.ubuntu.com/1030-1/https://nvd.nist.gov
CVSSv3
CVSSv2
CVSSv3
VMScore
Recommendations:
CVE-2006-4304CVE-2024-4240arbitrary CVE-2024-31601XSSCVE-2023-20198CVE-2024-4256CVE-2024-3342encryption
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