transports/appendfile.c in Exim before 4.72, when MBX locking is enabled, allows local users to change permissions of arbitrary files or…

Description

transports/appendfile.c in Exim before 4.72, when MBX locking is enabled, allows local users to change permissions of arbitrary files or create arbitrary files, and cause a denial of service or possibly gain privileges, via a symlink attack on a lockfile in /tmp/.

Scores

EPSS (exploitation in 30 days)

0.28% · top 79% of all CVEs (5 Nov 2026)

The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 4.4.

Weakness

• n/a
• CWE-362 (opens in a new tab)All about CWE-362 and its CVEs

Affected products

• n/a

  • affected n/a

References (18)

• 20100603 Multiple vulnerabilities in Exim (opens in a new tab)mailing-listx_refsource_FULLDISCx_transferred
• https://bugzilla.redhat.com/show_bug.cgi?id=600097 (opens in a new tab)x_refsource_CONFIRMx_transferred
• ADV-2010-1402 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
• 40454 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
• ADV-2011-0364 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
• 43243 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• exim-mbx-symlink(59042) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
• http://vcs.exim.org/viewvc/exim/exim-src/src/transports/appendfile.c?r1=1.25&r2=1.26 (opens in a new tab)x_refsource_CONFIRMx_transferred
• 40019 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• [exim-dev] 20100524 Security issues in exim4 local delivery (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
• http://vcs.exim.org/viewvc/exim/exim-doc/doc-txt/ChangeLog?view=markup&pathrev=exim-4_72_RC2 (opens in a new tab)x_refsource_CONFIRMx_transferred
• 40123 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• 20100603 Multiple vulnerabilities in Exim (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
• FEDORA-2010-9524 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
• SUSE-SR:2010:014 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
• USN-1060-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
• http://bugs.exim.org/show_bug.cgi?id=989 (opens in a new tab)x_refsource_CONFIRMx_transferred
• FEDORA-2010-9506 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred

Sources

The same CVE in the primary databases and aggregators, to check against.

• CVE.org record (opens in a new tab)
• CVE List JSON (GitHub) (opens in a new tab)
• NVD (opens in a new tab)
• FIRST EPSS (opens in a new tab)
• OSV.dev (opens in a new tab)
• GitHub Advisories (opens in a new tab)
• CIRCL Vulnerability-Lookup (opens in a new tab)

Badge for a README or a ticket

[![CVE-2010-2024](https://trackcve.app/badge/CVE-2010-2024.svg)](https://trackcve.app/cve/CVE-2010-2024)

Record last updated 7 Aug 2024, 02:17 UTC.