EUVD-2002-0514

Malware in sbrugna...

FreeBSD : FreeBSD -- TCP IPv6 SYN cache kernel information disclosure (0e06013e-6a06-11ea-92ab-00163e433440)

When a TCP server transmits or retransmits a TCP SYN-ACK segment over IPv6, the Traffic Class field is not initialized. This also applies to challenge ACK segments, which are sent in response to received RST segments during the TCP connection setup phase. Impact : For each TCP SYN-ACK or challeng...

FreeBSD-SA-20:04.tcp

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 ============================================================================= FreeBSD-SA-20:04.tcp Security Advisory The FreeBSD Project Topic: TCP IPv6 SYN cache kernel information disclosure Category: core Module: tcp Announced: 2020-03-19 Credits...

FreeBSD -- TCP IPv6 SYN cache kernel information disclosure

Problem Description: When a TCP server transmits or retransmits a TCP SYN-ACK segment over IPv6, the Traffic Class field is not initialized. This also applies to challenge ACK segments, which are sent in response to received RST segments during the TCP connection setup phase. Impact: For each TCP...

FreeBSD -- TCP MD5 signature denial of service

Problem Description: A programming error in processing a TCP connection with both TCPMD5SIG and TCPNOOPT socket options may lead to kernel crash. Impact: A local attacker can crash the kernel, resulting in a denial-of-service. A remote attack is theoretically possible, if server has a listening...

FreeBSD Security Advisory (FreeBSD-SA-02:20.syncache.asc)

The remote host is missing an update to the system as announced in the referenced advisory FreeBSD-SA-02:20.syncache.asc ADV FreeBSD-SA-02:20.syncache.asc OpenVAS Vulnerability Test $ Description: Auto generated from vuxml or freebsd advisories Authors: Thomas Reinke Copyright: Copyright c 2008...

CVE-2002-0518

The SYN cache syncache and SYN cookie syncookie mechanism in FreeBSD 4.5 and earlier allows remote attackers to cause a denial of service crash 1 via a SYN packet that is accepted using syncookies that causes a null pointer to be referenced for the socket's TCP options, or 2 by killing and...

CVE-2002-0518

The CVE-2002-0518 issue affects FreeBSD 4.5 and earlier, where the SYN cache (syncache) and SYN cookie (syncookie) handling can crash a remote host. The described vectors are: (1) a SYN packet accepted with syncookies that leads to a null pointer reference in the socket’s TCP options, and (2) kil...