libdwarf 0.4.0 dwarf_util.c _dwarf_check_string_valid heap-based overflow
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 5.3 | $0-$5k | 0.00 |
Summary
A vulnerability classified as critical was found in libdwarf 0.4.0. Affected is the function _dwarf_check_string_valid of the file dwarf_util.c. The manipulation results in heap-based overflow.
This vulnerability is reported as CVE-2022-32200. No exploit exists.
It is best practice to apply a patch to resolve this issue.
Details
A vulnerability classified as critical has been found in libdwarf 0.4.0 (Programming Tool Software). Affected is the function _dwarf_check_string_valid of the file dwarf_util.c. The manipulation with an unknown input leads to a heap-based overflow vulnerability. CWE is classifying the issue as 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(). This is going to have an impact on confidentiality, integrity, and availability.
The weakness was disclosed 06/03/2022 as 116. The advisory is available at github.com. This vulnerability is traded as CVE-2022-32200 since 06/01/2022. Technical details are known, but there is no available exploit.
Applying the patch 8151575a6ace77d005ca5bb5d71c1bfdba3f7069 is able to eliminate this problem. The bugfix is ready for download at github.com.
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Product
Type
Name
Version
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 5.5VulDB Meta Temp Score: 5.3
VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
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| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Heap-based overflowCWE: CWE-122 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Partially
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
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Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: PatchStatus: 🔍
0-Day Time: 🔍
Patch: 8151575a6ace77d005ca5bb5d71c1bfdba3f7069
Timeline
06/01/2022 🔍06/03/2022 🔍
06/03/2022 🔍
06/06/2022 🔍
Sources
Advisory: 116Status: Confirmed
CVE: CVE-2022-32200 (🔍)
GCVE (CVE): GCVE-0-2022-32200
GCVE (VulDB): GCVE-100-201222
Entry
Created: 06/03/2022 13:58Updated: 06/06/2022 14:56
Changes: 06/03/2022 13:58 (42), 06/06/2022 14:56 (1)
Complete: 🔍
Cache ID: 216::103
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