CVE-2017-11342 : There is an illegal address access in ast.cpp of LibSass 3.4.5. A crafted input

There is an illegal address access in ast.cpp of LibSass 3.4.5. A crafted input will lead to a remote denial of service attack.

Published 2017-07-17 13:18:21

Updated 2017-07-19 18:49:05

Source MITRE

View at NVD, CVE.org

Vulnerability category: Input validationDenial of service

Products affected by CVE-2017-11342

Libsass » Libsass » Version: 3.4.5
cpe:2.3:a:libsass:libsass:3.4.5:*:*:*:*:*:*:*
Matching versions

EPSS FAQ

0.44%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 60 %

Percentile, the proportion of vulnerabilities that are scored at or less

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
5.0	MEDIUM	AV:N/AC:L/Au:N/C:N/I:N/A:P	10.0	2.9	NIST
Access Vector: Network Access Complexity: Low Authentication: None Confidentiality Impact: None Integrity Impact: None Availability Impact: Partial
7.5	HIGH	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H	3.9	3.6	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: None Integrity: None Availability: High

CWE-20 Improper Input Validation

The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.

Assigned by: nvd@nist.gov (Primary)

https://bugzilla.redhat.com/show_bug.cgi?id=1470722

1470722 – There is an illegal address access in ast.cpp of libsass library.
Exploit;Issue Tracking;Third Party Advisory

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