openSUSE libsolv up to 0.7.16 src/policy.c prune_to_recommended buffer overflow
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 5.3 | $0-$5k | 0.00 |
Summary
A vulnerability marked as critical has been reported in openSUSE libsolv up to 0.7.16. This issue affects the function prune_to_recommended of the file src/policy.c. The manipulation leads to buffer overflow.
This vulnerability is referenced as CVE-2021-33938. No exploit is available.
It is suggested to upgrade the affected component.
Details
A vulnerability, which was classified as problematic, has been found in openSUSE libsolv up to 0.7.16. This issue affects the function prune_to_recommended of the file src/policy.c. The manipulation with an unknown input leads to a buffer overflow vulnerability. Using CWE to declare the problem leads to CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. Impacted is availability.
The weakness was published 09/02/2021. It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2021-33938. Technical details of the vulnerability are known, but there is no available exploit.
Upgrading to version 0.7.17 eliminates this vulnerability.
Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.
Product
Vendor
Name
Version
License
Website
- Product: https://github.com/openSUSE/libsolv/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 5.5VulDB Meta Temp Score: 5.4
VulDB Base Score: 3.5
VulDB Temp Score: 3.4
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 7.5
NVD Vector: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Buffer overflowCWE: CWE-120 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
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| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: libsolv 0.7.17
Timeline
06/07/2021 🔍09/02/2021 🔍
09/02/2021 🔍
09/09/2021 🔍
Sources
Product: github.comAdvisory: github.com
Status: Confirmed
CVE: CVE-2021-33938 (🔍)
GCVE (CVE): GCVE-0-2021-33938
GCVE (VulDB): GCVE-100-181955
Entry
Created: 09/02/2021 18:34Updated: 09/09/2021 09:25
Changes: 09/02/2021 18:34 (39), 09/09/2021 09:23 (2), 09/09/2021 09:25 (18)
Complete: 🔍
Cache ID: 216::103
Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.
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