CVE-2006-4924

sshd in OpenSSH before 4.4, when using the version 1 SSH protocol, allows remote attackers to cause a denial of service (CPU consumption) via an SSH packet that contains duplicate blocks, which is not properly handled by the CRC compensation attack detector.

🔗 References (158)

• secalert@redhatftp://ftp.freebsd.org/pub/FreeBSD/CERT/advisories/FreeBSD-SA-06:22.openssh.asc
• secalert@redhatftp://ftp.sco.com/pub/unixware7/714/security/p534336/p534336.txt
• secalert@redhatftp://patches.sgi.com/support/free/security/advisories/20061001-01-P.asc
• secalert@redhathttp://blogs.sun.com/security/entry/sun_alert_102962_security_vulnerability
• secalert@redhathttp://bugs.gentoo.org/show_bug.cgi?id=148228
• secalert@redhathttp://docs.info.apple.com/article.html?artnum=305214
• secalert@redhathttp://itrc.hp.com/service/cki/docDisplay.do?docId=c00815112
• secalert@redhathttp://lists.apple.com/archives/security-announce/2007/Mar/msg00002.html
• secalert@redhathttp://marc.info/?l=openssh-unix-dev&m=115939141729160&w=2
• secalert@redhathttp://secunia.com/advisories/21923
• secalert@redhathttp://secunia.com/advisories/22091
• secalert@redhathttp://secunia.com/advisories/22116
• secalert@redhathttp://secunia.com/advisories/22158
• secalert@redhathttp://secunia.com/advisories/22164
• secalert@redhathttp://secunia.com/advisories/22183