do_ed_script in pch.c in GNU patch ... CVE-2018-20969

9.3 AV AC AU C I A
发布: 2019-08-16
修订: 2019-09-10

do_ed_script in pch.c in GNU patch through 2.7.6 does not block strings beginning with a ! character. NOTE: this is the same commit as for CVE-2019-13638, but the ! syntax is specific to ed, and is unrelated to a shell metacharacter.

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