libarchive 3.6.1 calloc null pointer dereference

CVSS Meta Temp Score
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CTI Interest Score
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6.6$0-$5k0.00

Summaryinfo

A vulnerability has been found in libarchive 3.6.1 and classified as problematic. Affected is the function calloc. This manipulation causes null pointer dereference. This vulnerability is tracked as CVE-2022-36227. No exploit exists.

Detailsinfo

A vulnerability classified as problematic was found in libarchive 3.6.1 (File Compression Software). Affected by this vulnerability is the function calloc. The manipulation with an unknown input leads to a null pointer dereference vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect availability. The summary by CVE is:

In libarchive before 3.6.2, the software does not check for an error after calling calloc function that can return with a NULL pointer if the function fails, which leads to a resultant NULL pointer dereference. NOTE: the discoverer cites this CWE-476 remark but third parties dispute the code-execution impact: "In rare circumstances, when NULL is equivalent to the 0x0 memory address and privileged code can access it, then writing or reading memory is possible, which may lead to code execution."

The weakness was disclosed 11/22/2022 as 1754. It is possible to read the advisory at github.com. This vulnerability is known as CVE-2022-36227 since 07/18/2022. Technical details of the vulnerability are known, but there is no available exploit.

The vulnerability scanner Nessus provides a plugin with the ID 209121 (Ubuntu 14.04 LTS / 16.04 LTS / 18.04 LTS / 20.04 LTS / 22.04 LTS / 24.04 LTS : libarchive vulnerabilities (USN-7070-1)), 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 (209121). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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Name

Version

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.6
VulDB Meta Temp Score: 6.6

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

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

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

Exploitinginfo

Class: Null pointer dereference
CWE: CWE-476 / 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: 209121
Nessus Name: Ubuntu 14.04 LTS / 16.04 LTS / 18.04 LTS / 20.04 LTS / 22.04 LTS / 24.04 LTS : libarchive vulnerabilities (USN-7070-1)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

07/18/2022 🔍
11/22/2022 +127 days 🔍
11/22/2022 +0 days 🔍
11/05/2025 +1079 days 🔍

Sourcesinfo

Product: github.com

Advisory: 1754
Status: Confirmed

CVE: CVE-2022-36227 (🔍)
GCVE (CVE): GCVE-0-2022-36227
GCVE (VulDB): GCVE-100-214147

Entryinfo

Created: 11/22/2022 07:35
Updated: 11/05/2025 13:08
Changes: 11/22/2022 07:35 (39), 12/21/2022 18:01 (11), 10/16/2024 21:24 (17), 11/05/2025 13:08 (2)
Complete: 🔍
Cache ID: 216::103

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

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