What’s Vulnerable › Vulnerabilities

CVE-2002-1511

• Severity: medium (CVSS 5.0 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.8% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2003-03-03 · updated 2026-06-16

Description

The vncserver wrapper for vnc before 3.3.3r2-21 uses the rand() function instead of srand(), which causes vncserver to generate weak cookies.

Affected products

• Att Vnc: 3.3.3, 3.3.3r2, 3.3.4, 3.3.5, 3.3.6
• Kaspersky TightVNC: 1.2.0, 1.2.1, 1.2.2, 1.2.3, 1.2.4, 1.2.5

References

• http://changelogs.credativ.org/debian/pool/main/v/vnc/vnc_3.3.6-3/changelog
• http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000640
• http://security.gentoo.org/glsa/glsa-200302-15.xml
• http://sunsolve.sun.com/pub-cgi/retrieve.pl?doc=fsalert/56161
• http://www.iss.net/security_center/static/11384.php
• http://www.mandrakesoft.com/security/advisories?name=MDKSA-2003:022
• http://www.redhat.com/support/errata/RHSA-2003-041.html
• http://www.redhat.com/support/errata/RHSA-2003-068.html
• http://www.securityfocus.com/bid/6905
• http://changelogs.credativ.org/debian/pool/main/v/vnc/vnc_3.3.6-3/changelog
• http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000640
• http://security.gentoo.org/glsa/glsa-200302-15.xml

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