LibSass up to 3.6.2 ast_sel_weave.cpp Sass::weaveParents out-of-bounds

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.2$0-$5k0.00

Summaryinfo

A vulnerability identified as critical has been detected in LibSass up to 3.6.2. This affects the function Sass::weaveParents of the file ast_sel_weave.cpp. This manipulation causes out-of-bounds. This vulnerability is tracked as CVE-2019-18798. The attack is possible to be carried out remotely. No exploit exists. You should upgrade the affected component.

Detailsinfo

A vulnerability has been found in LibSass up to 3.6.2 (Programming Language Software) and classified as critical. Affected by this vulnerability is the function Sass::weaveParents of the file ast_sel_weave.cpp. The manipulation with an unknown input leads to a out-of-bounds vulnerability. The CWE definition for the vulnerability is CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

LibSass before 3.6.3 allows a heap-based buffer over-read in Sass::weaveParents in ast_sel_weave.cpp.

The weakness was disclosed 11/06/2019. This vulnerability is known as CVE-2019-18798 since 11/06/2019. The attack can be launched remotely. The exploitation doesn't need any form of authentication. It demands that the victim is doing some kind of user interaction. Technical details of the vulnerability are known, but there is no available exploit.

Upgrading to version 3.6.3 eliminates this vulnerability.

The entries VDB-145148 and VDB-145146 are pretty similar. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.2

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.5
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Out-of-bounds
CWE: CWE-125 / 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: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: LibSass 3.6.3

Timelineinfo

11/06/2019 🔍
11/06/2019 +0 days 🔍
11/07/2019 +1 days 🔍
02/05/2024 +1551 days 🔍

Sourcesinfo

Status: Not defined

CVE: CVE-2019-18798 (🔍)
GCVE (CVE): GCVE-0-2019-18798
GCVE (VulDB): GCVE-100-145147
See also: 🔍

Entryinfo

Created: 11/07/2019 10:11
Updated: 02/05/2024 10:01
Changes: 11/07/2019 10:11 (38), 11/07/2019 10:16 (18), 02/05/2024 10:01 (4)
Complete: 🔍
Cache ID: 216::103

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

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