[USN-6298-1] ZZIPlib vulnerabilities

[Amir Naseredini]

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Ubuntu Security Notice USN-6298-1
August 17, 2023

zziplib vulnerabilities
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A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS (Available with Ubuntu Pro)
- Ubuntu 16.04 LTS (Available with Ubuntu Pro)

Summary:

Several security issues were fixed in ZZIPlib.

Software Description:
- zziplib: The ZZIPlib provides read access on ZIP-archives and unpacked data

Details:

Liu Zhu discovered that ZZIPlib incorrectly handled certain inputs. If a
user or an automated system were tricked into opening a specially crafted
input file, a remote attacker could possibly use this issue to cause a
denial of service. (CVE-2018-7727)

YiMing Liu discovered that ZZIPlib incorrectly handled certain inputs. If a
user or an automated system were tricked into opening a specially crafted
input file, a remote attacker could possibly use this issue to cause a
denial of service. (CVE-2020-18442)

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 20.04 LTS:
   libzzip-0-13                    0.13.62-3.2ubuntu1.1
   libzzip-dev                     0.13.62-3.2ubuntu1.1
   zziplib-bin                     0.13.62-3.2ubuntu1.1

Ubuntu 18.04 LTS (Available with Ubuntu Pro):
   libzzip-0-13                    0.13.62-3.1ubuntu0.18.04.1+esm1
   libzzip-dev                     0.13.62-3.1ubuntu0.18.04.1+esm1
   zziplib-bin                     0.13.62-3.1ubuntu0.18.04.1+esm1

Ubuntu 16.04 LTS (Available with Ubuntu Pro):
   libzzip-0-13                    0.13.62-3ubuntu0.16.04.2+esm1
   libzzip-dev                     0.13.62-3ubuntu0.16.04.2+esm1
   zziplib-bin                     0.13.62-3ubuntu0.16.04.2+esm1

In general, a standard system update will make all the necessary changes.

References:
   https://ubuntu.com/security/notices/USN-6298-1
   CVE-2018-7727, CVE-2020-18442

Package Information:
   https://launchpad.net/ubuntu/+source/zziplib/0.13.62-3.2ubuntu1.1
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