6.5
MEDIUM CVSS 3.0
CVE-2019-6286
Apache LibSass Heap Buffer Over-read
Description

In LibSass 3.5.5, a heap-based buffer over-read exists in Sass::Prelexer::skip_over_scopes in prelexer.hpp when called from Sass::Parser::parse_import(), a similar issue to CVE-2018-11693.

INFO

Published Date :

Jan. 14, 2019, 10:29 p.m.

Last Modified :

Nov. 21, 2024, 4:46 a.m.

Remotely Exploit :

Yes !
Affected Products

The following products are affected by CVE-2019-6286 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Sass-lang libsass
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 2.0 MEDIUM [email protected]
CVSS 3.0 MEDIUM [email protected]
Solution
Follow the instructions below to mitigate the CVE-2019-6286 vulnerability.
Update the affected libsass-dev and / or libsass0 packages.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2019-6286 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2019-6286 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2019-6286 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2019-6286 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00047.html
    Added Reference http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00051.html
    Added Reference http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00027.html
    Added Reference https://github.com/sass/libsass/issues/2815
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Aug. 14, 2019

    Action Type Old Value New Value
    Added Reference http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00027.html [No Types Assigned]
  • CVE Modified by [email protected]

    Jul. 24, 2019

    Action Type Old Value New Value
    Added Reference http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00051.html [No Types Assigned]
  • CVE Modified by [email protected]

    Jul. 23, 2019

    Action Type Old Value New Value
    Added Reference http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00047.html [No Types Assigned]
  • Initial Analysis by [email protected]

    Jan. 22, 2019

    Action Type Old Value New Value
    Added CVSS V2 Metadata Victim must voluntarily interact with attack mechanism
    Added CVSS V2 (AV:N/AC:M/Au:N/C:N/I:N/A:P)
    Added CVSS V3 AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
    Changed Reference Type https://github.com/sass/libsass/issues/2815 No Types Assigned https://github.com/sass/libsass/issues/2815 Exploit, Third Party Advisory
    Added CWE CWE-125
    Added CPE Configuration OR *cpe:2.3:a:sass-lang:libsass:3.5.5:*:*:*:*:*:*:*
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Vulnerability Scoring Details
Base CVSS Score: 6.5
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact
Base CVSS Score: 4.3
Access Vector
Access Complexity
Authentication
Confidentiality Impact
Integrity Impact
Availability Impact
Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.29 }} 0.06%

score

0.51639

percentile