ZZIPlib 0.13.67 ZIP File zzip/mmapped.c zzip_disk_findfirst Address resource management

CVSS Meta Temp Score
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CTI Interest Score
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6.2$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in ZZIPlib 0.13.67. Affected is the function zzip_disk_findfirst of the file zzip/mmapped.c of the component ZIP File Handler. This manipulation causes resource management (Address). This vulnerability is handled as CVE-2018-6542. The attack can be initiated remotely. There is not any exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical was found in ZZIPlib 0.13.67. Affected by this vulnerability is the function zzip_disk_findfirst of the file zzip/mmapped.c of the component ZIP File Handler. The manipulation with an unknown input leads to a resource management vulnerability (Address). The CWE definition for the vulnerability is CWE-399. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

In ZZIPlib 0.13.67, there is a bus error (when handling a disk64_trailer seek value) caused by loading of a misaligned address in the zzip_disk_findfirst function of zzip/mmapped.c.

The bug was discovered 02/02/2018. The weakness was released 02/02/2018 (Website). It is possible to read the advisory at github.com. This vulnerability is known as CVE-2018-6542 since 02/02/2018. The attack can be launched remotely. The exploitation doesn't need any form of authentication. It demands that the victim is doing some kind of user interaction. Technical details of the vulnerability are known, but there is no available exploit.

The vulnerability scanner Nessus provides a plugin with the ID 110342 (SUSE SLED12 Security Update : zziplib (SUSE-SU-2018:1507-1)), 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 171297 (OpenSUSE Security Update for zziplib (openSUSE-SU-2018:1564-1)).

Upgrading eliminates this vulnerability. A possible mitigation has been published 5 months after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (110342). Entries connected to this vulnerability are available at VDB-112770 and VDB-112769. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.2

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.5
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Name: Address
Class: Resource management / Address
CWE: CWE-399 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 110342
Nessus Name: SUSE SLED12 Security Update : zziplib (SUSE-SU-2018:1507-1)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Timelineinfo

02/02/2018 🔍
02/02/2018 +0 days 🔍
02/02/2018 +0 days 🔍
02/02/2018 +0 days 🔍
02/03/2018 +1 days 🔍
06/05/2018 +122 days 🔍
06/06/2018 +1 days 🔍
07/10/2025 +2591 days 🔍

Sourcesinfo

Advisory: 17
Status: Confirmed

CVE: CVE-2018-6542 (🔍)
GCVE (CVE): GCVE-0-2018-6542
GCVE (VulDB): GCVE-100-112771
See also: 🔍

Entryinfo

Created: 02/03/2018 09:06
Updated: 07/10/2025 18:08
Changes: 02/03/2018 09:06 (73), 01/01/2020 10:51 (3), 02/03/2023 14:24 (4), 07/10/2025 18:08 (18)
Complete: 🔍
Cache ID: 216:877:103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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