SB2017030115 - Heap-based buffer overflow in zziplib.sourceforge.net ZZIPlib

Description

This security bulletin contains information about 1 security vulnerability.

1) Heap-based buffer overflow (CVE-ID: CVE-2017-5976)

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_mem_entry_extra_block function in memdisk.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.

Remediation

Install update from vendor's website.

References

• 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_mem_entry_extra_block-memdisk-c/