Code Execution Vulnerability in GNU Patch 2.7.6 via EDITOR_PROGRAM Invocation

CVE-2018-1000156 · MEDIUM Severity

AV:N/AC:M/AU:N/C:P/I:P/A:P

GNU Patch version 2.7.6 contains an input validation vulnerability when processing patch files, specifically the EDITOR_PROGRAM invocation (using ed) can result in code execution. This attack appear to be exploitable via a patch file processed via the patch utility. This is similar to FreeBSD's CVE-2015-1418 however although they share a common ancestry the code bases have diverged over time.

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