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Vulnerability details: VCID-s9yh-qrfd-aaan
Vulnerability ID VCID-s9yh-qrfd-aaan
Aliases CVE-2010-4020
Summary 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.
Status Published
Exploitability 0.5
Weighted Severity 8.0
Risk 4.0
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-310 Cryptographic Issues
System Score Found at
generic_textual MODERATE http://lists.opensuse.org/opensuse-security-announce/2010-12/msg00006.html
rhas Important https://access.redhat.com/errata/RHSA-2010:0925
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rhbs medium https://bugzilla.redhat.com/show_bug.cgi?id=648735
cvssv2 3.5 https://nvd.nist.gov/vuln/detail/CVE-2010-4020
cvssv3 6.3 https://nvd.nist.gov/vuln/detail/CVE-2010-4020
generic_textual HIGH http://www.oracle.com/technetwork/topics/security/cpujul2015-2367936.html
Reference id Reference type URL
http://kb.vmware.com/kb/1035108
http://lists.apple.com/archives/security-announce/2011/Mar/msg00006.html
http://lists.fedoraproject.org/pipermail/package-announce/2010-December/051976.html
http://lists.fedoraproject.org/pipermail/package-announce/2010-December/051999.html
http://lists.opensuse.org/opensuse-security-announce/2010-12/msg00000.html
http://lists.opensuse.org/opensuse-security-announce/2010-12/msg00006.html
http://lists.vmware.com/pipermail/security-announce/2011/000133.html
http://osvdb.org/69608
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2010-4020.json
https://api.first.org/data/v1/epss?cve=CVE-2010-4020
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2010-4020
http://secunia.com/advisories/42399
http://support.apple.com/kb/HT4581
http://web.mit.edu/kerberos/advisories/MITKRB5-SA-2010-007.txt
http://www.mandriva.com/security/advisories?name=MDVSA-2010:246
http://www.oracle.com/technetwork/topics/security/cpujul2015-2367936.html
http://www.redhat.com/support/errata/RHSA-2010-0925.html
http://www.securityfocus.com/archive/1/514953/100/0/threaded
http://www.securityfocus.com/archive/1/517739/100/0/threaded
http://www.securityfocus.com/bid/45117
http://www.securitytracker.com/id?1024803
http://www.ubuntu.com/usn/USN-1030-1
http://www.vmware.com/security/advisories/VMSA-2011-0007.html
http://www.vupen.com/english/advisories/2010/3094
http://www.vupen.com/english/advisories/2010/3095
http://www.vupen.com/english/advisories/2010/3118
605553 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=605553
648735 https://bugzilla.redhat.com/show_bug.cgi?id=648735
cpe:2.3:a:mit:kerberos_5:1.8:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:mit:kerberos_5:1.8:*:*:*:*:*:*:*
cpe:2.3:a:mit:kerberos_5:1.8.1:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:mit:kerberos_5:1.8.1:*:*:*:*:*:*:*
cpe:2.3:a:mit:kerberos_5:1.8.2:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:mit:kerberos_5:1.8.2:*:*:*:*:*:*:*
cpe:2.3:a:mit:kerberos_5:1.8.3:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:mit:kerberos_5:1.8.3:*:*:*:*:*:*:*
CVE-2010-4020 https://nvd.nist.gov/vuln/detail/CVE-2010-4020
GLSA-201201-13 https://security.gentoo.org/glsa/201201-13
RHSA-2010:0925 https://access.redhat.com/errata/RHSA-2010:0925
USN-1030-1 https://usn.ubuntu.com/1030-1/
No exploits are available.
Vector: AV:N/AC:M/Au:S/C:N/I:P/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2010-4020
Exploitability (E) Access Vector (AV) Access Complexity (AC) Authentication (Au) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

high

functional

unproven

proof_of_concept

not_defined

local

adjacent_network

network

high

medium

low

multiple

single

none

none

partial

complete

none

partial

complete

none

partial

complete
Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L Found at https://nvd.nist.gov/vuln/detail/CVE-2010-4020
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Exploit Prediction Scoring System (EPSS)
Percentile 0.65213
EPSS Score 0.00247
Published At Nov. 1, 2024, midnight
Date Actor Action Source VulnerableCode Version
There are no relevant records.