CVE-2010-2023

CVSS V2 Medium 4.4 CVSS V3 None
Description
transports/appendfile.c in Exim before 4.72, when a world-writable sticky-bit mail directory is used, does not verify the st_nlink field of mailbox files, which allows local users to cause a denial of service or possibly gain privileges by creating a hard link to another user's file.
Overview
  • CVE ID
  • CVE-2010-2023
  • Assigner
  • cve@mitre.org
  • Vulnerability Status
  • Modified
  • Published Version
  • 2010-06-07T17:12:48
  • Last Modified Date
  • 2018-10-10T19:58:13
Weakness Enumerations
CWE URL
CWE-362 http://cwe.mitre.org/data/definitions/362.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:exim:exim:*:*:*:*:*:*:*:* 1 OR 4.71
cpe:2.3:a:exim:exim:4.10:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:exim:exim:4.20:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:exim:exim:4.21:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:exim:exim:4.22:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:exim:exim:4.23:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:exim:exim:4.24:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:exim:exim:4.30:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:exim:exim:4.31:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:exim:exim:4.32:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:exim:exim:4.33:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:exim:exim:4.34:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:exim:exim:4.40:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:exim:exim:4.41:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:exim:exim:4.42:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:exim:exim:4.43:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:exim:exim:4.44:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:exim:exim:4.50:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:exim:exim:4.51:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:exim:exim:4.52:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:exim:exim:4.53:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:exim:exim:4.54:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:exim:exim:4.60:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:exim:exim:4.61:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:exim:exim:4.62:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:exim:exim:4.63:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:exim:exim:4.64:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:exim:exim:4.65:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:exim:exim:4.66:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:exim:exim:4.67:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:exim:exim:4.68:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:exim:exim:4.69:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:exim:exim:4.70:*:*:*:*:*:*:* 1 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:L/AC:M/Au:N/C:P/I:P/A:P
  • Access Vector
  • LOCAL
  • Access Compatibility
  • MEDIUM
  • Authentication
  • NONE
  • Confidentiality Impact
  • PARTIAL
  • Integrity Impact
  • PARTIAL
  • Availability Impact
  • PARTIAL
  • Base Score
  • 4.4
  • Severity
  • MEDIUM
  • Exploitability Score
  • 3.4
  • Impact Score
  • 6.4
References
Reference URL Reference Tags
http://lists.exim.org/lurker/message/20100524.175925.9a69f755.en.html
https://bugzilla.redhat.com/show_bug.cgi?id=600093
http://bugs.exim.org/show_bug.cgi?id=988
http://archives.neohapsis.com/archives/fulldisclosure/2010-06/0079.html
http://secunia.com/advisories/40019 Vendor Advisory
http://vcs.exim.org/viewvc/exim/exim-doc/doc-txt/ChangeLog?view=markup&pathrev=exim-4_72_RC2
http://www.securityfocus.com/bid/40451
http://vcs.exim.org/viewvc/exim/exim-src/src/transports/appendfile.c?r1=1.24&r2=1.25 Patch
http://lists.fedoraproject.org/pipermail/package-announce/2010-June/042613.html
http://www.vupen.com/english/advisories/2010/1402
http://lists.fedoraproject.org/pipermail/package-announce/2010-June/042587.html
http://secunia.com/advisories/40123
http://lists.opensuse.org/opensuse-security-announce/2010-08/msg00001.html
http://www.ubuntu.com/usn/USN-1060-1
http://secunia.com/advisories/43243
http://www.vupen.com/english/advisories/2011/0364
https://exchange.xforce.ibmcloud.com/vulnerabilities/59043
http://www.securityfocus.com/archive/1/511653/100/0/threaded
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2010-2023
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2010-2023
History
Created Old Value New Value Data Type Notes
2022-05-10 18:30:45 Added to TrackCVE