ZZIPlib 0.13.62 ZIP Archive fseeko.c prescan_entry null pointer dereference
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 5.4 | $0-$5k | 0.00 |
Summary
A vulnerability classified as problematic was found in ZZIPlib 0.13.62. This affects the function prescan_entry of the file fseeko.c of the component ZIP Archive Handler. The manipulation results in null pointer dereference.
This vulnerability is known as CVE-2017-5979. Attacking locally is a requirement. No exploit is available.
Upgrading the affected component is advised.
Details
A vulnerability was found in ZZIPlib 0.13.62. It has been classified as problematic. Affected is the function prescan_entry of the file fseeko.c of the component ZIP Archive Handler. The manipulation with an unknown input leads to a null pointer dereference vulnerability. CWE is classifying the issue as CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. This is going to have an impact on availability. CVE summarizes:
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.
The bug was discovered 03/01/2017. The weakness was published 03/01/2017 by Agostino Sarubbo with Gentoo (Website). The advisory is shared for download at securityfocus.com. This vulnerability is traded as CVE-2017-5979 since 02/13/2017. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Successful exploitation requires user interaction by the victim. There are known technical details, but no exploit is available.
The vulnerability scanner Nessus provides a plugin with the ID 99653 (SUSE SLED12 Security Update : zziplib (SUSE-SU-2017:1095-1)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family SuSE Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 169949 (SUSE Enterprise Linux Security Update for zziplib (SUSE-SU-2017:1095-1)).
Upgrading eliminates this vulnerability. A possible mitigation has been published 2 months after the disclosure of the vulnerability.
The vulnerability is also documented in the databases at Tenable (99653) and SecurityFocus (BID 96268†). Similar entries are available at VDB-97435, VDB-97436, VDB-97437 and VDB-97438. VulDB is the best source for vulnerability data and more expert information about this specific topic.
Product
Name
Version
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 5.5VulDB Meta Temp Score: 5.4
VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 5.5
NVD Vector: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
|---|---|---|---|---|---|
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Null pointer dereferenceCWE: CWE-476 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍
Physical: Partially
Local: Yes
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Nessus ID: 99653
Nessus Name: SUSE SLED12 Security Update : zziplib (SUSE-SU-2017:1095-1)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
OpenVAS ID: 703878
OpenVAS Name: Debian Security Advisory DSA 3878-1 (zziplib - security update)
OpenVAS File: 🔍
OpenVAS Family: 🔍
Qualys ID: 🔍
Qualys Name: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍
Timeline
02/09/2017 🔍02/13/2017 🔍
03/01/2017 🔍
03/01/2017 🔍
03/01/2017 🔍
03/02/2017 🔍
04/24/2017 🔍
04/25/2017 🔍
07/10/2025 🔍
Sources
Advisory: securityfocus.com⛔Researcher: Agostino Sarubbo
Organization: Gentoo
Status: Confirmed
CVE: CVE-2017-5979 (🔍)
GCVE (CVE): GCVE-0-2017-5979
GCVE (VulDB): GCVE-100-97440
OVAL: 🔍
SecurityFocus: 96268 - ZZIPlib Multiple Heap Buffer Overflow and Denial of Service Vulnerabilites
OSVDB: - CVE-2017-5979 - zziplib - Denial of Service Issue
See also: 🔍
Entry
Created: 03/02/2017 10:05Updated: 07/10/2025 18:08
Changes: 03/02/2017 10:05 (75), 09/03/2020 12:33 (8), 07/10/2025 18:08 (20)
Complete: 🔍
Cache ID: 216::103
VulDB is the best source for vulnerability data and more expert information about this specific topic.
No comments yet. Languages: en.
Please log in to comment.