Mageia 8: 2022-0371 Moderate: Unzip Null Pointer Dereference
mageia
October 18, 2022
Improper handling of Unicode strings, which can lead to a null pointer dereference
Summary
Improper handling of Unicode strings, which can lead to a null pointer
dereference. This flaw allows an attacker to input a specially crafted zip
file, leading to a crash or code execution. (CVE-2021-4217)
Conversion of a wide string to a local string that leads to a heap of
out-of-bound write. This flaw allows an attacker to input a specially
crafted zip file, leading to a crash or code execution. (CVE-2022-0529,
CVE-2022-0530)
References
- https://bugs.mageia.org/show_bug.cgi?id=29893
- https://bugs.launchpad.net/ubuntu/+source/unzip/+bug/1957077
- https://bugzilla.redhat.com/show_bug.cgi?id=2044583
- https://bugzilla.redhat.com/show_bug.cgi?id=2051395
- https://bugzilla.redhat.com/show_bug.cgi?id=2051402
- https://lists.debian.org/debian-security-announce/2022/msg00171.html
- https://lists.debian.org/debian-lts-announce/2022/09/msg00028.html
-
- https://ubuntu.com/security/notices/USN-5673-1
- https://www.cve.org/CVERecord?id=CVE-2021-4217
- https://www.cve.org/CVERecord?id=CVE-2022-0529
- https://www.cve.org/CVERecord?id=CVE-2022-0530
Topics Covered
Resolution
SRPMS
- 8/core/unzip-6.0-2.1.mga8
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Publication date: 18 Oct 2022
URL: https://advisories.mageia.org/MGASA-2022-0371.html
Type: security
CVE: CVE-2021-4217,
CVE-2022-0529,
CVE-2022-0530
Topics Covered
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