Reject ambiguous manifest formats #1409
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Refuse to process manifest / manifest list data that could possibly be interpreted as two different manifest formats, because differences in how those ambiguities are resolved could be used to bypass image verification or review mechanisms. Fixes CVE-2021-41190 / GHSA-77vh-xpmg-72qh . Signed-off-by: Miloslav Trmač <mitr@redhat.com>
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Previously reviewed by @vrothberg ; extra eyes would be very welcome. |
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Refuse to process manifest / manifest list data that could possibly be interpreted as two different manifest formats, because differences in how those ambiguities are resolved could be used to bypass image verification or review mechanisms.
Fixes CVE-2021-41190 / GHSA-77vh-xpmg-72qh .