libsass/sassc ast_selectors.cpp has_real_parent_ref stack-based overflow

CVSS Meta Temp Score
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CTI Interest Score
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5.5$0-$5k0.00

Summaryinfo

A vulnerability was found in libsass and sassc. It has been rated as critical. Affected by this vulnerability is the function Sass::CompoundSelector::has_real_parent_ref of the file ast_selectors.cpp. Performing a manipulation results in stack-based overflow. This vulnerability is cataloged as CVE-2022-43357. There is no exploit available.

Detailsinfo

A vulnerability classified as problematic has been found in libsass and sassc (Programming Language Software) (version unknown). This affects the function Sass::CompoundSelector::has_real_parent_ref of the file ast_selectors.cpp. The manipulation with an unknown input leads to a stack-based overflow vulnerability. CWE is classifying the issue as 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). This is going to have an impact on availability. The summary by CVE is:

Stack overflow vulnerability in ast_selectors.cpp in function Sass::CompoundSelector::has_real_parent_ref in libsass:3.6.5-8-g210218, which can be exploited by attackers to causea denial of service (DoS). Also affects the command line driver for libsass, sassc 3.6.2.

The weakness was shared 08/23/2023 as 3177. It is possible to read the advisory at github.com. This vulnerability is uniquely identified as CVE-2022-43357 since 10/17/2022. 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

Type

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB 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: 🔍

CVSSv2info

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

Exploitinginfo

Class: Stack-based overflow
CWE: 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: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

10/17/2022 🔍
08/23/2023 +310 days 🔍
08/23/2023 +0 days 🔍
09/14/2023 +22 days 🔍

Sourcesinfo

Advisory: 3177
Status: Confirmed

CVE: CVE-2022-43357 (🔍)
GCVE (CVE): GCVE-0-2022-43357
GCVE (VulDB): GCVE-100-237699

Entryinfo

Created: 08/23/2023 07:39
Updated: 09/14/2023 14:22
Changes: 08/23/2023 07:39 (39), 09/14/2023 14:22 (11)
Complete: 🔍
Cache ID: 216::103

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

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