Double free vulnerability in the _zip_dirent_read function in zip_dirent.c in libzip allows attackers to have unspecified impact via unknown vectors.

There are packages installed that are affected by multiple vulnerabilities referenced in the following CVEs:

  - Double free vulnerability in the _zip_dirent_read function in zip_dirent.c in libzip allows attackers to
    have unspecified impact via unknown vectors. (CVE-2017-12858)

  - The _zip_read_eocd64 function in zip_open.c in libzip before 1.3.0 mishandles EOCD records, which allows
    remote attackers to cause a denial of service (memory allocation failure in _zip_cdir_grow in
    zip_dirent.c) via a crafted ZIP archive. (CVE-2017-14107)

**Version 1.3.0**

It contains fixes for two possible security problems. The problems were identified by Brian 'geeknik' Carpenter and Agostino Sarubbo using AFL. 

The changes are :

  - Support bzip2 compressed zip archives

  - Improve file progress callback code

  - Fix zip_fdopen()

  - CVE-2017-12858: Fix double free().

  - CVE-2017-14107: Improve EOCD64 parsing.

Note that Tenable Network Security has extracted the preceding description block directly from the Fedora update system website.
Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

This update fixes CVE-2017-12858.

Note that Tenable Network Security has extracted the preceding description block directly from the Fedora update system website.
Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

ID	Name	Product	Family	Type	Severity
405455	Alpine: multiple libzip packages: security update to 1.2.0-r2	Tenable Cloud Security	Alpine Linux Local Security Checks	Local	critical
405455	Alpine: multiple libzip packages: security update to 1.2.0-r2	Tenable Self-Hosted Container Security	Alpine Linux Local Security Checks	Local	critical
105913	Fedora 27 : libzip (2017-7bd193c0ed)	Nessus	Fedora Local Security Checks	Local	critical
102986	Fedora 25 : mingw-libzip (2017-f0b31bc9c5)	Nessus	Fedora Local Security Checks	Local	critical
102984	Fedora 26 : libzip (2017-840db88351)	Nessus	Fedora Local Security Checks	Local	critical
102896	Fedora 26 : mingw-libzip (2017-5617ab3b38)	Nessus	Fedora Local Security Checks	Local	critical

Detections

Analytics

CVE-2017-12858

critical

Tenable Plugins

critical

critical

critical

critical

critical

critical