Off-by-one error in the read_token_word function in parse.y in GNU Bash through 4.3 bash43-026 allows remote attackers to cause a denial of service (out-of-bounds array access and application crash) or possibly have unspecified other impact via deeply nested for loops, aka the “word_lineno” issue.
Source: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-7187
Reference (s):
- APPLE:APPLE-SA-2015-01-27-4
- URL: http://lists.apple.com/archives/security-announce/2015/Jan/msg00003.html
- APPLE:APPLE-SA-2015-09-30-3
- URL: http://lists.apple.com/archives/security-announce/2015/Sep/msg00008.html
- BUGTRAQ:20141001 NEW VMSA-2014-0010 – VMware product updates address critical Bash security vulnerabilities