Vulnerability Details : CVE-2010-4020
MIT Kerberos 5 (aka krb5) 1.8.x through 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.
Exploit prediction scoring system (EPSS) score for CVE-2010-4020
Probability of exploitation activity in the next 30 days: 0.25%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 62 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2010-4020
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
|---|---|---|---|---|---|
|
3.5
|
LOW | AV:N/AC:M/Au:S/C:N/I:P/A:N |
6.8
|
2.9
|
NIST |
|
6.3
|
MEDIUM | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L |
2.8
|
3.4
|
NIST |
CWE ids for CVE-2010-4020
-
Assigned by: nvd@nist.gov (Primary)
References for CVE-2010-4020
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http://www.mandriva.com/security/advisories?name=MDVSA-2010:246
mandriva.com
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http://www.redhat.com/support/errata/RHSA-2010-0925.html
Support
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http://lists.opensuse.org/opensuse-security-announce/2010-12/msg00000.html
[security-announce] SUSE Security Summary Report: SUSE-SR:2010:023
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http://lists.opensuse.org/opensuse-security-announce/2010-12/msg00006.html
[security-announce] SUSE Security Summary Report: SUSE-SR:2010:024
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http://support.apple.com/kb/HT4581
About the security content of Mac OS X v10.6.7 and Security Update 2011-001 - Apple Support
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http://lists.vmware.com/pipermail/security-announce/2011/000133.html
[Security-announce] VMSA-2011-0007 VMware ESXi and ESX Denial of Service and third party updates for Likewise components and ESX Service Console
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http://web.mit.edu/kerberos/advisories/MITKRB5-SA-2010-007.txt
Vendor Advisory
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http://www.securityfocus.com/archive/1/514953/100/0/threaded
SecurityFocus
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http://lists.fedoraproject.org/pipermail/package-announce/2010-December/051976.html
[SECURITY] Fedora 14 Update: krb5-1.8.2-7.fc14
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http://www.vupen.com/english/advisories/2010/3095
Webmail | OVH- OVH
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http://www.securityfocus.com/bid/45117
MIT Kerberos Checksum AD-SIGNEDPATH and AD-KDC-ISSUED Security Bypass Vulnerability
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http://www.vupen.com/english/advisories/2010/3118
Webmail | OVH- OVH
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http://www.vmware.com/security/advisories/VMSA-2011-0007.html
VMSA-2011-0007
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http://kb.vmware.com/kb/1035108
Article Detail
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http://lists.apple.com/archives/security-announce/2011/Mar/msg00006.html
Apple - Lists.apple.com
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http://www.securityfocus.com/archive/1/517739/100/0/threaded
SecurityFocus
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http://lists.fedoraproject.org/pipermail/package-announce/2010-December/051999.html
[SECURITY] Fedora 13 Update: krb5-1.7.1-16.fc13
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http://www.oracle.com/technetwork/topics/security/cpujul2015-2367936.html
Oracle Critical Patch Update - July 2015Patch;Vendor Advisory
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http://www.securitytracker.com/id?1024803
MIT Kerberos Checksum Handling Errors May Let Remote or Remote Authenticated Users Forge/Modify Certain Data - SecurityTracker
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http://www.vupen.com/english/advisories/2010/3094
Webmail | OVH- OVH
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http://www.ubuntu.com/usn/USN-1030-1
USN-1030-1: Kerberos vulnerabilities | Ubuntu security notices
Products affected by CVE-2010-4020
- cpe:2.3:a:mit:kerberos_5:1.8:*:*:*:*:*:*:*
- cpe:2.3:a:mit:kerberos_5:1.8.3:*:*:*:*:*:*:*
- cpe:2.3:a:mit:kerberos_5:1.8.1:*:*:*:*:*:*:*
- cpe:2.3:a:mit:kerberos_5:1.8.2:*:*:*:*:*:*:*