CVE-2002-1511
First published: Mon Mar 03 2003(Updated: )
The vncserver wrapper for vnc before 3.3.3r2-21 uses the rand() function instead of srand(), which causes vncserver to generate weak cookies.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| AT&T VNC | =3.3.3 | |
| AT&T VNC | =3.3.3r2 | |
| AT&T VNC | =3.3.4 | |
| AT&T VNC | =3.3.5 | |
| AT&T VNC | =3.3.6 | |
| TightVNC | =1.2.0 | |
| TightVNC | =1.2.1 | |
| TightVNC | =1.2.2 | |
| TightVNC | =1.2.3 | |
| TightVNC | =1.2.4 | |
| TightVNC | =1.2.5 |
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Reference Links
- http://www.iss.net/security_center/static/11384.php
- http://www.redhat.com/support/errata/RHSA-2003-041.html
- 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://www.mandrakesoft.com/security/advisories?name=MDKSA-2003:022
- http://www.redhat.com/support/errata/RHSA-2003-068.html
- http://sunsolve.sun.com/pub-cgi/retrieve.pl?doc=fsalert/56161
- http://www.securityfocus.com/bid/6905
Frequently Asked Questions
What is the severity of CVE-2002-1511?
CVE-2002-1511 is classified as a moderate severity vulnerability due to the weak cookie generation that could lead to unauthorized access.
How do I fix CVE-2002-1511?
To fix CVE-2002-1511, upgrade to a version of VNC that is 3.3.3r2-21 or later, or use a patched version.
What software is affected by CVE-2002-1511?
CVE-2002-1511 affects versions of AT&T VNC prior to 3.3.3r2-21 and certain versions of TightVNC.
What are the consequences of exploiting CVE-2002-1511?
Exploiting CVE-2002-1511 can allow an attacker to gain unauthorized access to a VNC session due to weak cookie security.
Is CVE-2002-1511 still a risk in modern systems?
While CVE-2002-1511 primarily affects older VNC versions, any outdated systems running these versions are still at risk.
- agent/type
- agent/first-publish-date
- collector/mitre-cve
- source/MITRE
- agent/severity
- agent/references
- agent/remedy
- agent/last-modified-date
- agent/weakness
- agent/author
- agent/description
- agent/event
- agent/source
- agent/tags
- agent/softwarecombine
- collector/nvd-index
- agent/software-canonical-lookup-request
- collector/nvd-historical
- vendor/att
- canonical/at&t vnc
- version/at&t vnc/3.3.3
- version/at&t vnc/3.3.3r2
- version/at&t vnc/3.3.4
- version/at&t vnc/3.3.5
- version/at&t vnc/3.3.6
- vendor/tightvnc
- canonical/tightvnc
- version/tightvnc/1.2.0
- version/tightvnc/1.2.1
- version/tightvnc/1.2.2
- version/tightvnc/1.2.3
- version/tightvnc/1.2.4
- version/tightvnc/1.2.5