Heap-based buffer overflow in ZZIPlib - CVE-2017-5975

Detailed vulnerability description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error in Heap-based buffer overflow in the __zzip_get64 function in fetch.c in zziplib 0.13.62. A remote attacker can use a crafted ZIP file. to trigger heap-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

How to mitigate CVE-2017-5975

Sources

• http://www.debian.org/security/2017/dsa-3878
• http://www.openwall.com/lists/oss-security/2017/02/14/3
• http://www.securityfocus.com/bid/96268
• https://blogs.gentoo.org/ago/2017/02/09/zziplib-heap-based-buffer-overflow-in-__zzip_get64-fetch-c/