CVE-2009-0641 - CVE House
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Status published Critical CVE-2009-0641

sys_term.c in telnetd in FreeBSD 7.0-RELEASE and other 7.x versions...

Vulnerability Description

sys_term.c in telnetd in FreeBSD 7.0-RELEASE and other 7.x versions deletes dangerous environment variables with a method that was valid only in older FreeBSD distributions, which might allow remote attackers to execute arbitrary code by passing a crafted environment variable from a telnet client, as demonstrated by an LD_PRELOAD value that references a malicious library.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

References

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Affected Vendor

Affected Software

freebsd
Vulnerable Versions:
7.0, 7.0-release, 7.0_beta4, 7.0_releng, 7.1

Timeline

Official Publish: February 18th, 2009
Last Modified: August 7th, 2024
Added to House: July 19th, 2026

CVSS Vectors

Weaknesses (CWE)

No CWE data available

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.