Vulnerability Monitor

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CVE-2017-5979

The prescan_entry function in fseeko.c in zziplib 0.13.62 allows remote attackers to cause a denial of service (NULL pointer dereference and crash) via a crafted ZIP file.

Published

2017-03-01T15:59:01.290

Last Modified

2025-07-10T15:44:54.403

Status

Deferred

Source

[email protected]

Severity

CVSSv3.0: 5.5 (MEDIUM)

CVSSv2 Vector

AV:N/AC:M/Au:N/C:N/I:N/A:P

Access Vector: NETWORK
Access Complexity: MEDIUM
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: NONE
Availability Impact: PARTIAL

Exploitability Score

8.6

Impact Score

2.9

Weaknesses

Type: Primary
CWE-476

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	gdraheim	zziplib	0.13.62	Yes

References

http://www.debian.org/security/2017/dsa-3878 ([email protected])
http://www.securityfocus.com/bid/96268 ([email protected])
https://blogs.gentoo.org/ago/2017/02/09/zziplib-null-pointer-dereference-in-prescan_entry-fseeko-c/ Exploit, Third Party Advisory ([email protected])
http://www.debian.org/security/2017/dsa-3878 (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/bid/96268 (af854a3a-2127-422b-91ae-364da2661108)
https://blogs.gentoo.org/ago/2017/02/09/zziplib-null-pointer-dereference-in-prescan_entry-fseeko-c/ Exploit, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)