An issue was discovered in LibSass through 3.5.4. An out-of-bounds read of a memory region was found in the function Sass::Prelexer::exactly() which could be leveraged by an attacker to disclose information or manipulated to read from unmapped memory causing a denial of service.
Published 2018-06-04 06:29:01
Updated 2019-03-11 17:53:52
Source MITRE
View at NVD,   CVE.org
Vulnerability category: Denial of service

Exploit prediction scoring system (EPSS) score for CVE-2018-11697

0.22%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 59 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2018-11697

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
5.8
MEDIUM AV:N/AC:M/Au:N/C:P/I:N/A:P
8.6
4.9
NIST
8.1
HIGH CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H
2.8
5.2
NIST

CWE ids for CVE-2018-11697

  • The product reads data past the end, or before the beginning, of the intended buffer.
    Assigned by: nvd@nist.gov (Primary)

References for CVE-2018-11697

  • https://github.com/sass/libsass/issues/2656
    AddressSanitizer: heap-buffer-overflow (OOB read) in Sass::Prelexer::exactly (libsass/src/lexer.hpp:93:14) · Issue #2656 · sass/libsass · GitHub
    Exploit;Issue Tracking;Patch;Third Party Advisory

Products affected by CVE-2018-11697

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