CVE-2002-0542

Severity: high (CVSS 7.2 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.5% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2002-07-03 · updated 2026-06-16

Description

mail in OpenBSD 2.9 and 3.0 processes a tilde (~) escape character in a message even when it is not in interactive mode, which could allow local users to gain root privileges via calls to mail in cron.

Affected products

OpenBSD: 2.9, 3.0

References

http://marc.info/?l=bugtraq&m=101855467811695&w=2
http://online.securityfocus.com/archive/1/267089
http://www.iss.net/security_center/static/8818.php
http://www.openbsd.org/errata30.html#mail
http://www.osvdb.org/5269
http://www.securityfocus.com/bid/4495
http://marc.info/?l=bugtraq&m=101855467811695&w=2
http://online.securityfocus.com/archive/1/267089
http://www.iss.net/security_center/static/8818.php
http://www.openbsd.org/errata30.html#mail
http://www.osvdb.org/5269
http://www.securityfocus.com/bid/4495

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