CVE-2015-6806: gnu gnu_screen

Vulnerability summary

CVE-2015-6806 is a medium (CVSS 5.0) vulnerability in gnu gnu_screen. EPSS estimates a 4.15% chance of exploitation in the next 30 days, higher than 90.7% of scored vulnerabilities. 2 public exploits are recorded.

Timeline

1. 28-09-2015
   PublishedVulnerability first disclosed.
2. 06-08-2024
   Last modifiedVulnerability information updated.

Description

The MScrollV function in ansi.c in GNU screen 4.3.1 and earlier does not properly limit recursion, which allows remote attackers to cause a denial of service (stack consumption) via an escape sequence with a large repeat count value.

• 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.