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CVE-2010-4345: Exim Privilege Escalation Vulnerability

criticalknown exploitedpublic exploitCVE-2010-4345
Actively exploited. At least one CVE in this advisory is listed in the CISA Known Exploited Vulnerabilities catalog — exploitation has been observed in the wild. Treat remediation as urgent.
Exim allows local users to gain privileges by leveraging the ability of the exim user account to specify an alternate configuration file with a directive that contains arbitrary commands.

CSIRTS triage

vendor: Eximproduct: EximPrivilege escalation
What
Exim allows local users to gain privileges by leveraging the ability of the exim user account to specify an alternate configuration file with a directive that contains arbitrary commands.
Who is affected
Local users of Exim are affected.
Urgency
Remediation is urgent due to the critical nature of the vulnerability and its exploitation status.
Action
Apply the latest security patches for Exim.

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Details

Source
CISA Known Exploited Vulnerabilities (US · database · site)
Severity
critical
Published
2022-03-25
Exploitation
Observed in the wild (CISA KEV)

Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2010-4345

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2010-4345coverage & exploitation statusNVD · CVE.org

Recent advisories for Exim Privilege Escalation

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

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