Snort 2.4.x - URIContent Rules Detection Evasion

Snort 2.4.x - URIContent Rules Detection Evasion source: https://www.securityfocus.com/bid/18200/info Snort is reportedly prone to a vulnerability that may allow malicious packets to bypass detection. A successful attack can allow attackers to bypass intrusion detection and to carry out attacks...

Snort 2.4.x - URIContent Rules Detection Evasion

source: https://www.securityfocus.com/bid/18200/info Snort is reportedly prone to a vulnerability that may allow malicious packets to bypass detection. A successful attack can allow attackers to bypass intrusion detection and to carry out attacks against computers protected by Snort. This...

CVE-2006-1651

Microsoft ISA Server 2004 allows remote attackers to bypass certain filtering rules, including ones for 1 ICMP and 2 TCP, via IPv6 packets. NOTE: An established researcher has disputed this issue, saying that "Neither ISA Server 2004 nor Windows 2003 Basic Firewall support IPv6 filtering ... This...

CVE-2006-1651

Microsoft ISA Server 2004 allows remote attackers to bypass certain filtering rules, including ones for 1 ICMP and 2 TCP, via IPv6 packets. NOTE: An established researcher has disputed this issue, saying that "Neither ISA Server 2004 nor Windows 2003 Basic Firewall support IPv6 filtering ... This...

CVE-2006-1651

Microsoft ISA Server 2004 is affected by CVE-2006-1651, which reportedly allows remote attackers to bypass filtering rules (including ICMP and TCP) via IPv6 packets. The issue is controversial: an established researcher disputes IPv6 filtering support in ISA Server 2004 and Windows 2003 Basic Fir...

Buffer overflow

flex.skl in Will Estes and John Millaway Fast Lexical Analyzer Generator flex before 2.5.33 does not allocate enough memory for grammars containing 1 REJECT statements or 2 trailing context rules, which causes flex to generate code that contains a buffer overflow that might allow context-dependen...

DEBIAN-CVE-2006-0459

flex.skl in Will Estes and John Millaway Fast Lexical Analyzer Generator flex before 2.5.33 does not allocate enough memory for grammars containing 1 REJECT statements or 2 trailing context rules, which causes flex to generate code that contains a buffer overflow that might allow context-dependen...

CVE-2006-0459: Improper Restriction of Operations within the Bounds of a Memory Buffer

flex.skl in Will Estes and John Millaway Fast Lexical Analyzer Generator flex before 2.5.33 does not allocate enough memory for grammars containing 1 REJECT statements or 2 trailing context rules, which causes flex to generate code that contains a buffer overflow that might allow context-dependen...

PT-2006-1525 · Gnu · Flex

Name of the Vulnerable Software and Affected Versions: flex versions prior to 2.5.33 Description: The issue is related to the allocation of memory for grammars containing REJECT statements or trailing context rules. This causes the generation of code that contains a buffer overflow, which might...

Code injection

Client Firewall in NCP Network Communication Secure Client 8.11 Build 146, and possibly other versions, allows local users to bypass firewall program execution rules by replacing an allowed program with an arbitrary program...

nfs -- remote denial of service

Problem description: A part of the NFS server code charged with handling incoming RPC messages via TCP had an error which, when the server received a message with a zero-length payload, would cause a NULL pointer dereference which results in a kernel panic. The kernel will only process the RPC...

FreeBSD-SA-06:10.nfs

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 ============================================================================= FreeBSD-SA-06:10.nfs Security Advisory The FreeBSD Project Topic: Remote denial of service in NFS server Category: core Module: sysnfsserver Announced: 2006-03-01 Credits:...

CVE-2006-0578

Blue Coat Proxy Security Gateway OS SGOS 4.1.2.1 does not enforce CONNECT rules when using Deep Content Inspection, which allows remote attackers to bypass connection filters...

Authentication flaw

Blue Coat Proxy Security Gateway OS SGOS 4.1.2.1 does not enforce CONNECT rules when using Deep Content Inspection, which allows remote attackers to bypass connection filters...

Verified evasion in Snort

pre Dan Kaminsky gave a presentation at shmoocon and mentioned using ip fragmentation timers to evade intrusion detection systems. It's a pretty straightforward technique and easy to code up so we decided to look and see if Snort was vulnerable...

CVE-2004-0592

Summary: CVE-2004-0592 affects the SUSE Linux 2.6.5 kernel with USAGI patches, specifically the netfilter IPv6 path. The issue arises in the tcp_find_option function when using iptables and TCP options rules, where a large option length can yield a negative integer after casting to char, causing ...

Ubuntu 4.10 : iptables vulnerability (USN-81-1)

Faheem Mitha noticed that the 'iptables' command did not always load the required modules on its own as it was supposed to. This could lead to firewall rules not being loaded on system startup. Note that Tenable Network Security has extracted the preceding description block directly from the Ubun...

Mandrake Linux Security Advisory : kernel (MDKSA-2005:235)

Multiple vulnerabilities in the Linux 2.6 kernel have been discovered and corrected in this update : A stack-based buffer overflow in the sendmsg function call in versions prior to 2.6.13.1 allow local users to execute arbitrary code by calling sendmsg and modifying the message contents in anothe...

CVE-2005-4789

resmgr in SUSE Linux 9.2 and 9.3, and possibly other distributions, does not properly enforce class-specific exclude rules in some situations, which allows local users to bypass intended access restrictions for USB devices that set their class ID at the interface level...

PT-2005-4743 · Sapid · Sapid Cms

Name of the Vulnerable Software and Affected Versions: SAPID CMS versions prior to 1.2.3.03 Description: The issue involves multiple unspecified vulnerabilities related to newly registered users and possibly authorization checks. These vulnerabilities have unknown impact and attack vectors,...