Arch Linux Security Advisory ASA-201611-17

Severity: Low
Date : 2016-11-16
CVE-ID : CVE-2016-8568 CVE-2016-8569
Package : libgit2
Type : denial of service
Remote : Yes
Link : https://wiki.archlinux.org/index.php/CVE

Summary

The package libgit2 before version 1:0.24.3-1 is vulnerable to denial
of service.

Resolution

Upgrade to 1:0.24.3-1.

pacman -Syu “libgit2>=1:0.24.3-1”

The problems have been fixed upstream in version 0.24.3.

Workaround

None.

Description

• CVE-2016-8568 (denial of service)

A heap-based read out-of-bounds access has been discovered while
parsing a malformed object file.

• CVE-2016-8569 (denial of service)

A null pointer dereference has been discovered while showing a
malformed object file.

Impact

A remote attacker is able to create specially crafted object files that
lead to an application crash resulting in denial of service.

References

http://seclists.org/oss-sec/2016/q4/64
https://github.com/libgit2/libgit2/issues/3936
https://github.com/libgit2/libgit2/issues/3937
https://vulners.com/cve/CVE-2016-8568
https://vulners.com/cve/CVE-2016-8569