PT-2017-16803 · Zziplib+3 · Zziplib+3

Agostino Sarubbo · Published 2017-03-01 · Updated 2025-07-10 · CVE-2017-5979

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions zziplib version 0.13.62

Description The issue allows remote attackers to cause a denial of service, resulting in a crash due to a NULL pointer dereference. This can be achieved by providing a crafted ZIP file, which exploits the prescan entry function in fseeko.c.

Recommendations For zziplib version 0.13.62, consider avoiding the use of the prescan entry function in fseeko.c until a patch is available. As a temporary workaround, restrict the handling of ZIP files from untrusted sources to minimize the risk of exploitation.

Exploit

Fix

DoS

NULL Pointer Dereference

Weakness Enumeration

CWE-476

Related Identifiers

ALT-PU-2017-1924

CVE-2017-5979

DLA-994-1

DSA-3878-1

MGASA-2017-0163

OPENSUSE-SU-2024:11546-1

SUSE-SU-2017:1095-1

USN-3320-1

Affected Products

Alt Linux

Suse

Ubuntu

Zziplib

References · 74

• 🔥 https://blogs.gentoo.org/ago/2017/02/09/zziplib-null-pointer-dereference-in-prescan_entry-fseeko-c · Exploit
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-5977 · Security Note
• https://ubuntu.com/security/CVE-2017-5980 · Vendor Advisory
• https://ubuntu.com/security/CVE-2017-5974 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2017-5979 · Security Note
• https://errata.altlinux.org/ALT-PU-2017-1924 · Vendor Advisory
• https://osv.dev/vulnerability/DSA-3878-1 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-5979 · Security Note
• https://ubuntu.com/security/CVE-2017-5981 · Vendor Advisory
• https://ubuntu.com/security/CVE-2017-5975 · Vendor Advisory
• https://ubuntu.com/security/CVE-2017-5979 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-5981 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2017-5979 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-5975 · Security Note
• http://debian.org/security/2017/dsa-3878 · Vendor Advisory