vlm asn1c up to 0.9.28 asn1fix.c _default_error_logger null pointer dereference

Summaryinfo

A vulnerability classified as problematic has been found in vlm asn1c up to 0.9.28. Affected is the function _default_error_logger of the file asn1fix.c. Performing a manipulation results in null pointer dereference. This vulnerability is reported as CVE-2020-23911. No exploit exists.

Detailsinfo

A vulnerability classified as problematic has been found in vlm asn1c up to 0.9.28. This affects the function _default_error_logger of the file asn1fix.c. The manipulation with an unknown input leads to a null pointer dereference vulnerability. CWE is classifying the issue as 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. This is going to have an impact on availability. The summary by CVE is:

An issue was discovered in asn1c through v0.9.28. A NULL pointer dereference exists in the function _default_error_logger() located in asn1fix.c. It allows an attacker to cause Denial of Service.

The weakness was disclosed 07/18/2023 as 394. It is possible to read the advisory at github.com. This vulnerability is uniquely identified as CVE-2020-23911 since 08/13/2020. Technical details of the vulnerability are known, but there is no available exploit.

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

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

Productinfo

Vendor

• vlm

Name

• asn1c

Version

• 0.9.0
• 0.9.1
• 0.9.2
• 0.9.3
• 0.9.4
• 0.9.5
• 0.9.6
• 0.9.7
• 0.9.8
• 0.9.9
• 0.9.10
• 0.9.11
• 0.9.12
• 0.9.13
• 0.9.14
• 0.9.15
• 0.9.16
• 0.9.17
• 0.9.18
• 0.9.19
• 0.9.20
• 0.9.21
• 0.9.22
• 0.9.23
• 0.9.24
• 0.9.25
• 0.9.26
• 0.9.27
• 0.9.28

Website

• Product: https://github.com/vlm/asn1c/

CPE 2.3info

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CPE 2.2info

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