Description
The (1) libsasl and (2) libsasl2 libraries in Cyrus-SASL 2.1.18 and earlier trust the SASL_PATH environment variable to find all available SASL plug-ins, which allows local users to execute arbitrary code by modifying the SASL_PATH to point to malicious programs.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 3 | cyrus-sasl +4 | 2.1.15-10 | RHSA-2004:546 |
Advisories 3
- RHSA-2004:546 Red Hat Security Advisory: cyrus-sasl security update Red Hat Security Advisories (RHSA) · Jun 26, 2026
- DSA-568-1 cyrus-sasl-mit - unsanitised input Debian Security (DSA / DLA) · Mar 9, 2026
- DSA-563-3 cyrus-sasl - unsanitised input Debian Security (DSA / DLA) · Mar 9, 2026
References
- http://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=134657
- 20050128 [OpenPKG-SA-2005.004] OpenPKG Security Advisory (sasl) mailing-list
- 2004-0053 vendor-advisory
- P-003 third-party-advisory government-resource
- MDKSA-2004:106 vendor-advisory
- DSA-568 vendor-advisory
- FLSA:2137 vendor-advisory
- DSA-563 vendor-advisory
- cyrus-sasl-saslpath(17643) vdb-entry
- oval:org.mitre.oval:def:11678 vdb-entry signature
- APPLE-SA-2005-03-21 vendor-advisory
- 11347 vdb-entry
- GLSA-200410-05 vendor-advisory
- RHSA-2004:546 vendor-advisory