Improper Verification of Cryptographic Signature in Suricata - CVE-2019-1010279

 

Improper Verification of Cryptographic Signature in Suricata - CVE-2019-1010279

Published: July 18, 2019 / Updated: August 8, 2020


Vulnerability identifier: #VU35700
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2019-1010279
CWE-ID: CWE-347
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Open Information Security Foundation
Affected software:
Suricata

Detailed vulnerability description

The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.

Open Information Security Foundation Suricata prior to version 4.1.3 is affected by: Denial of Service - TCP/HTTP detection bypass. The impact is: An attacker can evade a signature detection with a specialy formed sequence of network packets. The component is: detect.c (https://github.com/OISF/suricata/pull/3625/commits/d8634daf74c882356659addb65fb142b738a186b). The attack vector is: An attacker can trigger the vulnerability by a specifically crafted network TCP session. The fixed version is: 4.1.3.


How to mitigate CVE-2019-1010279

Install update from vendor's website.

Sources