CVE-2002-0640

Description

Buffer overflow in sshd in OpenSSH 2.3.1 through 3.3 may allow remote attackers to execute arbitrary code via a large number of responses during challenge response authentication when OpenBSD is using PAM modules with interactive keyboard authentication (PAMAuthenticationViaKbdInt).

10.0

CVSS

Severity: Critical

CVSS 2.0 •

EPSS 28.35% Top 5%

Vendor Advisory debian.org Vendor Advisory redhat.com Vendor Advisory novell.com Vendor Advisory redhat.com Vendor Advisory caldera.com Vendor Advisory linuxsecurity.com Vendor Advisory com.br Vendor Advisory hp.com Vendor Advisory mandrakesoft.com

Affected: n/a n/a

References

Link	Tags
http://www.debian.org/security/2002/dsa-134	vendor advisory
http://www.redhat.com/support/errata/RHSA-2002-127.html	vendor advisory
http://marc.info/?l=bugtraq&m=102514371522793&w=2	mailing list
http://www.novell.com/linux/security/advisories/2002_024_openssh_txt.html	vendor advisory
http://marc.info/?l=bugtraq&m=102532054613894&w=2	mailing list
http://www.osvdb.org/839	vdb entry
http://www.cert.org/advisories/CA-2002-18.html	third party advisory us government resource
http://marc.info/?l=bugtraq&m=102521542826833&w=2	mailing list
http://www.redhat.com/support/errata/RHSA-2002-131.html	vendor advisory
http://www.securityfocus.com/bid/5093	vdb entry
ftp://ftp.caldera.com/pub/security/OpenLinux/CSSA-2002-030.0.txt	vendor advisory
http://www.linuxsecurity.com/advisories/other_advisory-2177.html	vendor advisory
http://www.kb.cert.org/vuls/id/369347	third party advisory us government resource
http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000502	vendor advisory
http://www1.itrc.hp.com/service/cki/docDisplay.do?docId=HPSBUX0206-195	vendor advisory
http://www.mandrakesoft.com/security/advisories?name=MDKSA-2002:040	vendor advisory
http://marc.info/?l=bugtraq&m=102514631524575&w=2	mailing list
http://www.openwall.com/lists/oss-security/2024/07/01/3	mailing list

Frequently Asked Questions

What is the severity of CVE-2002-0640?: CVE-2002-0640 has been scored as a critical severity vulnerability.
How to fix CVE-2002-0640?: To fix CVE-2002-0640, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2002-0640 being actively exploited in the wild?: It is possible that CVE-2002-0640 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~28% probability that this vulnerability will be exploited by malicious actors in the next 30 days.