What’s Vulnerable › Vulnerabilities

CVE-2001-1377

• Severity: medium (CVSS 5.0 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 5.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2002-03-04 · updated 2026-06-16

Description

Multiple RADIUS implementations do not properly validate the Vendor-Length of the Vendor-Specific attribute, which allows remote attackers to cause a denial of service (crash) via a Vendor-Length that is less than 2.

Affected products

• freeradius: 0.2, 0.3
• GNU Radius: 0.92.1, 0.93, 0.94, 0.95
• Icradius: 0.14, 0.15, 0.16, 0.17, 0.17b, 0.18 (+1)
• Livingston Radius: 2.0, 2.0.1, 2.1
• Lucent Radius: 2.0, 2.0.1, 2.1
• Miquel Van Smoorenburg Cistron Radius: 1.6.1, 1.6.2, 1.6.3, 1.6.4, 1.6.5, 1.6_.0
• Openradius: 0.8, 0.9, 0.9.1, 0.9.2, 0.9.3
• Radiusclient: 0.3.1
• Xtradius: 1.1_pre1, 1.1_pre2
• Yard Radius: 1.0.17, 1.0.18, 1.0.19, 1.0_pre13, 1.0_pre14, 1.0_pre15
• Yard Radius Project Yard Radius: 1.0.16

References

• http://archives.neohapsis.com/archives/linux/suse/2002-q2/0362.html
• http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000466
• http://marc.info/?l=bugtraq&m=101537153021792&w=2
• http://www.cert.org/advisories/CA-2002-06.html
• http://www.iss.net/security_center/static/8354.php
• http://www.kb.cert.org/vuls/id/936683
• http://www.redhat.com/support/errata/RHSA-2002-030.html
• http://www.securityfocus.com/bid/4230
• http://archives.neohapsis.com/archives/linux/suse/2002-q2/0362.html
• http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000466

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