USN-5673-1

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USN-5673-1

Summary: unzip vulnerabilities

Details: It was discovered that unzip did not properly handle unicode strings under certain circumstances. If a user were tricked into opening a specially crafted zip file, an attacker could possibly use this issue to cause unzip to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2021-4217) It was discovered that unzip did not properly perform bounds checking while converting wide strings to local strings. If a user were tricked into opening a specially crafted zip file, an attacker could possibly use this issue to cause unzip to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2022-0529, CVE-2022-0530)

References: https://ubuntu.com/security/notices/USN-5673-1, https://ubuntu.com/security/CVE-2021-4217, https://ubuntu.com/security/CVE-2022-0529, https://ubuntu.com/security/CVE-2022-0530, https://launchpad.net/bugs/1957077