libdwarf 0.4.0 dwarf_global_formref_b heap-based overflow

CVSS Meta Temp Score
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CTI Interest Score
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5.3$0-$5k0.00

A vulnerability classified as critical was found in libdwarf 0.4.0 (Programming Tool Software). This vulnerability affects the function dwarf_global_formref_b. The manipulation with an unknown input leads to a heap-based overflow vulnerability. The CWE definition for the vulnerability is CWE-122. A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc(). As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

There is a heap-based buffer over-read in libdwarf 0.4.0. This issue is related to dwarf_global_formref_b.

The weakness was shared 06/24/2022 as 119. The advisory is shared for download at github.com. This vulnerability was named CVE-2022-34299 since 06/22/2022. There are known technical details, but no exploit is available.

Applying the patch 7ef09e1fc9ba07653dd078edb2408631c7969162 is able to eliminate this problem. The bugfix is ready for download at github.com.

The entries VDB-7566, VDB-104502, VDB-111071 and VDB-114237 are related to this item.

Productinfo

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Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.3

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

Exploitinginfo

Class: Heap-based overflow
CWE: CWE-122 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: 7ef09e1fc9ba07653dd078edb2408631c7969162

Timelineinfo

06/22/2022 🔍
06/24/2022 +2 days 🔍
06/24/2022 +0 days 🔍
06/24/2022 +0 days 🔍

Sourcesinfo

Advisory: 119
Status: Confirmed

CVE: CVE-2022-34299 (🔍)
See also: 🔍

Entryinfo

Created: 06/24/2022 07:10 AM
Changes: 06/24/2022 07:10 AM (42)
Complete: 🔍
Cache ID: 34:D2D:40

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