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

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.8$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic has been found in ZZIPlib 0.13.67. This affects the function zzip_disk_findfirst of the file zzip/mmapped.c of the component ZIP File Handler. The manipulation leads to resource management. This vulnerability is traded as CVE-2018-6540. It is possible to initiate the attack remotely. There is no exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in ZZIPlib 0.13.67. It has been rated as problematic. This issue affects 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. Using CWE to declare the problem leads to CWE-399. Impacted is availability. The summary by CVE is:

In ZZIPlib 0.13.67, there is a bus error caused by loading of a misaligned address in the zzip_disk_findfirst function of zzip/mmapped.c. Remote attackers could leverage this vulnerability to cause a denial of service via a crafted zip file.

The bug was discovered 02/02/2018. The weakness was shared 02/02/2018 (Website). The advisory is shared at github.com. The identification of this vulnerability is CVE-2018-6540 since 02/02/2018. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details are known, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 107049 (openSUSE Security Update : zziplib (openSUSE-2018-215)), 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 170782 (SUSE Enterprise Linux Security Update for zziplib (SUSE-SU-2018:0548-1)).

Upgrading eliminates this vulnerability. A possible mitigation has been published 4 weeks after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (107049). The entries VDB-112638 and VDB-112732 are related to this item. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.8

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
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

Class: Resource management
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: 107049
Nessus Name: openSUSE Security Update : zziplib (openSUSE-2018-215)
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 🔍
02/27/2018 +24 days 🔍
02/28/2018 +1 days 🔍
07/10/2025 +2689 days 🔍

Sourcesinfo

Advisory: 15
Status: Confirmed

CVE: CVE-2018-6540 (🔍)
GCVE (CVE): GCVE-0-2018-6540
GCVE (VulDB): GCVE-100-112769
See also: 🔍

Entryinfo

Created: 02/03/2018 09:05
Updated: 07/10/2025 18:08
Changes: 02/03/2018 09:05 (68), 01/01/2020 10:39 (6), 02/03/2023 14:17 (4), 02/03/2023 14:18 (1), 07/10/2025 18:08 (18)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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