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Salvatore Bonaccorso pushed to branch master at <a href="https://salsa.debian.org/security-tracker-team/security-tracker" style="color: #1068bf;">Debian Security Tracker / security-tracker</a>
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Commits:
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<strong style="font-weight: bold;"><a href="https://salsa.debian.org/security-tracker-team/security-tracker/-/commit/c8cced870a4a4f3029998dbde3e742b7f4c847c1" style="color: #1068bf;">c8cced87</a></strong>
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<span> by Salvatore Bonaccorso </span> <i> at 2022-11-18T20:53:02+01:00 </i>
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<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Correct tracking for CVE-2021-36976/libarchive
The oss-fuzz report testcase is as well a "RAR archive data, v5" making
lcear the referenced fixing commit touching only
libarchive/archive_read_support_format_tar.c unrelated to the issue.
There is enough evidence as well with crosschecking with other distros
that we can consider the introducing commit be 47bb8187d3ef ("RAR5
reader: window_mask was not updated correctly").
Discussion with upstream in
https://github.com/libarchive/libarchive/issues/1554 in particular
leading to
https://github.com/libarchive/libarchive/pull/1491#issuecomment-997453342
indicate the fix
https://github.com/libarchive/libarchive/commit/17f4e83c0f0fc3bacf4b2bbacb01f987bb5aff5f
https://github.com/google/oss-fuzz-vulns/blob/main/vulns/libarchive/OSV-2021-557.yaml
is confusing further as it specifies as fix 56c920eab335 ("Merge pull
request #1626 from evelikov/bsdtar-allow-ax") which with the above does
not make sense. IIRC back when the CVE appeared first in the feed the
OSV-2021-557.yaml was the only additional reference available.
In short: Introducing commit is 47bb8187d3ef ("RAR5 reader: window_mask
was not updated correctly"). Fixing commit is 17f4e83c0f0f ("RAR5
reader: fix invalid memory access in some files").
Update buster affected status accordingly and bring it inline to the
stretch analysis.
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1 changed file:
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<a href="#4716ef5aa8f2742228ba3b3633215c8b808565e3" style="color: #1068bf;">
data/CVE/list
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Changes:
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<li id="4716ef5aa8f2742228ba3b3633215c8b808565e3">
<a href="https://salsa.debian.org/security-tracker-team/security-tracker/-/commit/c8cced870a4a4f3029998dbde3e742b7f4c847c1#4716ef5aa8f2742228ba3b3633215c8b808565e3" style="color: #1068bf;"><strong style="font-weight: bold;">data/CVE/list</strong></a>
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