CVE-2002-1336

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Summary

CVECVE-2002-1336
StatePUBLISHED
Assignermitre
Source PriorityCVE Program / NVD first with legacy fallback
Published2002-12-11 05:00:00 UTC
Updated2025-04-03 01:03:51 UTC
DescriptionTightVNC before 1.2.6 generates the same challenge string for multiple connections, which allows remote attackers to bypass VNC authentication by sniffing the challenge and response of other users.

Risk And Classification

Primary CVSS: v2.0 7.5 from [email protected]

AV:N/AC:L/Au:N/C:P/I:P/A:P

Problem Types: NVD-CWE-Other | n/a

CVSS v2.0 Breakdown

Access Vector
Network
Access Complexity
Low
Authentication
None
Confidentiality
Partial
Integrity
Partial
Availability
Partial

AV:N/AC:L/Au:N/C:P/I:P/A:P

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Tightvnc Tightvnc 1.2.0 All All All
Application Tightvnc Tightvnc 1.2.1 All All All
Application Tightvnc Tightvnc 1.2.3 All All All
Application Tightvnc Tightvnc 1.2.4 All All All
Application Tightvnc Tightvnc 1.2.5 All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
www.tightvnc.com/WhatsNew.txt af854a3a-2127-422b-91ae-364da2661108 www.tightvnc.com
'RE: VNC authentication weakness' - MARC af854a3a-2127-422b-91ae-364da2661108 marc.info
Mandrakesoft Security Advisories af854a3a-2127-422b-91ae-364da2661108 www.mandrakesoft.com
Home - Conectiva af854a3a-2127-422b-91ae-364da2661108 distro.conectiva.com.br
IBM X-Force Exchange af854a3a-2127-422b-91ae-364da2661108 exchange.xforce.ibmcloud.com
redhat.com | Red Hat Support af854a3a-2127-422b-91ae-364da2661108 www.redhat.com
'VNC authentication weakness' - MARC af854a3a-2127-422b-91ae-364da2661108 marc.info
TightVNC Repeated Challenge Replay Attack Vulnerability af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com
redhat.com | Red Hat Support af854a3a-2127-422b-91ae-364da2661108 www.redhat.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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