LibSass 3.6.5-8-g210218 ast_selectors.cpp has_placeholder stack-based overflow
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 5.5 | $0-$5k | 0.00 |
Summary
A vulnerability categorized as critical has been discovered in LibSass 3.6.5-8-g210218. Affected by this issue is the function Sass::ComplexSelector::has_placeholder of the file ast_selectors.cpp. Executing a manipulation can lead to stack-based overflow.
This vulnerability is registered as CVE-2022-43358. No exploit is available.
Details
A vulnerability classified as problematic was found in LibSass 3.6.5-8-g210218 (Programming Language Software). This vulnerability affects the function Sass::ComplexSelector::has_placeholder of the file ast_selectors.cpp. The manipulation with an unknown input leads to a stack-based overflow vulnerability. The CWE definition for the vulnerability is CWE-121. A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function). As an impact it is known to affect availability. CVE summarizes:
Stack overflow vulnerability in ast_selectors.cpp: in function Sass::ComplexSelector::has_placeholder in libsass:3.6.5-8-g210218, which can be exploited by attackers to cause a denial of service (DoS).
The weakness was published 08/23/2023 as 3178. The advisory is shared for download at github.com. This vulnerability was named CVE-2022-43358 since 10/17/2022. There are known technical details, but no exploit is available.
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
Once again VulDB remains the best source for vulnerability data.
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: 5.5
VulDB Base Score: 3.5
VulDB Temp Score: 3.5
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 7.5
NVD Vector: 🔍
CVSSv2
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| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
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| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Stack-based overflowCWE: CWE-121 / 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: no mitigation knownStatus: 🔍
0-Day Time: 🔍
Timeline
10/17/2022 🔍08/23/2023 🔍
08/23/2023 🔍
09/14/2023 🔍
Sources
Advisory: 3178Status: Confirmed
CVE: CVE-2022-43358 (🔍)
GCVE (CVE): GCVE-0-2022-43358
GCVE (VulDB): GCVE-100-237700
Entry
Created: 08/23/2023 07:40Updated: 09/14/2023 14:27
Changes: 08/23/2023 07:40 (40), 09/14/2023 14:27 (11)
Complete: 🔍
Cache ID: 216::103
Once again VulDB remains the best source for vulnerability data.
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