zziplib 0.13.69 mmapped.c zzip_disk_entry_to_file_header denial of service

CVSS Meta Temp Score
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CTI Interest Score
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4.5$0-$5k0.00

Summaryinfo

A vulnerability was found in zziplib 0.13.69. It has been rated as problematic. Affected by this issue is the function zzip_disk_entry_to_file_header of the file mmapped.c. The manipulation leads to denial of service. This vulnerability is referenced as CVE-2020-18770. No exploit is available.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in zziplib 0.13.69. This issue affects the function zzip_disk_entry_to_file_header of the file mmapped.c. The manipulation with an unknown input leads to a denial of service vulnerability. Using CWE to declare the problem leads to CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. Impacted is availability. The summary by CVE is:

An issue was discovered in function zzip_disk_entry_to_file_header in mmapped.c in zziplib 0.13.69, which will lead to a denial-of-service.

The weakness was published 08/23/2023 as 69. It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2020-18770 since 08/13/2020. Technical details of the vulnerability are known, but there is no available exploit.

The vulnerability scanner Nessus provides a plugin with the ID 210092 (Amazon Linux 2 : zziplib (ALAS-2024-2689)), which helps to determine the existence of the flaw in a target environment.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at Tenable (210092) and CERT Bund (WID-SEC-2024-1213). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Affected

  • Amazon Linux 2
  • Red Hat Enterprise Linux
  • Fedora Linux
  • Oracle Linux

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.5
VulDB Meta Temp Score: 4.5

VulDB Base Score: 3.5
VulDB Temp Score: 3.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Denial of service
CWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 210092
Nessus Name: Amazon Linux 2 : zziplib (ALAS-2024-2689)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

08/13/2020 🔍
08/23/2023 +1105 days 🔍
08/23/2023 +0 days 🔍
09/06/2025 +745 days 🔍

Sourcesinfo

Advisory: 69
Status: Confirmed

CVE: CVE-2020-18770 (🔍)
GCVE (CVE): GCVE-0-2020-18770
GCVE (VulDB): GCVE-100-237755
CERT Bund: WID-SEC-2024-1213 - Red Hat Enterprise Linux: Mehrere Schwachstellen

Entryinfo

Created: 08/23/2023 09:59
Updated: 09/06/2025 20:27
Changes: 08/23/2023 09:59 (39), 09/14/2023 18:58 (11), 11/02/2024 11:26 (17), 09/06/2025 20:27 (7)
Complete: 🔍
Cache ID: 216::103

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

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