ZZIPlib 0.13.69 unzzip_cat_file zzip_file_read infinite loop

CVSS Meta Temp Score
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CTI Interest Score
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3.8$0-$5k0.00

Summaryinfo

A vulnerability was found in ZZIPlib 0.13.69. It has been classified as problematic. Affected is the function unzzip_cat_file. Performing a manipulation of the argument zzip_file_read results in infinite loop. This vulnerability is identified as CVE-2020-18442. The attack can be initiated remotely. There is not any exploit available.

Detailsinfo

A vulnerability, which was classified as problematic, was found in ZZIPlib 0.13.69. This affects the function unzzip_cat_file. The manipulation of the argument zzip_file_read with an unknown input leads to a infinite loop vulnerability. CWE is classifying the issue as CWE-835. The product contains an iteration or loop with an exit condition that cannot be reached, i.e., an infinite loop. This is going to have an impact on availability.

The weakness was released 06/18/2021. It is possible to read the advisory at github.com. This vulnerability is uniquely identified as CVE-2020-18442. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1499 according to MITRE ATT&CK.

The vulnerability scanner Nessus provides a plugin with the ID 211358 (Fedora 36 : zziplib (2022-b5d2f7f8f2)), 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 vulnerability database at Tenable (211358). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.8
VulDB Meta Temp Score: 3.8

VulDB Base Score: 4.3
VulDB Temp Score: 4.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 3.3
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Infinite loop
CWE: CWE-835 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 211358
Nessus Name: Fedora 36 : zziplib (2022-b5d2f7f8f2)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

08/13/2020 🔍
06/18/2021 +309 days 🔍
06/18/2021 +0 days 🔍
07/10/2025 +1483 days 🔍

Sourcesinfo

Advisory: github.com
Status: Confirmed

CVE: CVE-2020-18442 (🔍)
GCVE (CVE): GCVE-0-2020-18442
GCVE (VulDB): GCVE-100-177231

Entryinfo

Created: 06/18/2021 20:23
Updated: 07/10/2025 18:47
Changes: 06/18/2021 20:23 (36), 06/21/2021 15:29 (2), 11/15/2024 10:20 (16), 07/10/2025 18:47 (19)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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