CVE-2018-18956: suricata-ids suricata

Vulnerability summary

CVE-2018-18956 is a high (CVSS 7.5) vulnerability in suricata-ids suricata. EPSS estimates a 2.79% chance of exploitation in the next 30 days, higher than 86.3% of scored vulnerabilities.

Timeline

1. 05-11-2018
   PublishedVulnerability first disclosed.
2. 05-08-2024
   Last modifiedVulnerability information updated.

Description

The ProcessMimeEntity function in util-decode-mime.c in Suricata 4.x before 4.0.6 allows remote attackers to cause a denial of service (segfault and daemon crash) via crafted input to the SMTP parser, as exploited in the wild in November 2018.

• CWE-119Improper Restriction of Operations within the Bounds of a Memory BufferThe product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.