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Vulnerability Details : CVE-2018-19837

In LibSass prior to 3.5.5, Sass::Eval::operator()(Sass::Binary_Expression*) inside eval.cpp allows attackers to cause a denial-of-service resulting from stack consumption via a crafted sass file, because of certain incorrect parsing of '%' as a modulo operator in parser.cpp.
Publish Date : 2018-12-04 Last Update Date : 2019-07-23
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- CVSS Scores & Vulnerability Types

CVSS Score
4.3
Confidentiality Impact None (There is no impact to the confidentiality of the system.)
Integrity Impact None (There is no impact to the integrity of the system)
Availability Impact Partial (There is reduced performance or interruptions in resource availability.)
Access Complexity Medium (The access conditions are somewhat specialized. Some preconditions must be satistified to exploit)
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s)
CWE ID 400

- Products Affected By CVE-2018-19837

# Product Type Vendor Product Version Update Edition Language
1 Application Sass-lang Libsass 1.0 Version Details Vulnerabilities
2 Application Sass-lang Libsass 1.0.1 Version Details Vulnerabilities
3 Application Sass-lang Libsass 2.0 Version Details Vulnerabilities
4 Application Sass-lang Libsass 2.1.0 Beta Version Details Vulnerabilities
5 Application Sass-lang Libsass 3.0 RC2 Version Details Vulnerabilities
6 Application Sass-lang Libsass 3.0 RC3 Version Details Vulnerabilities
7 Application Sass-lang Libsass 3.0 RC4 Version Details Vulnerabilities
8 Application Sass-lang Libsass 3.0 Version Details Vulnerabilities
9 Application Sass-lang Libsass 3.0 - Version Details Vulnerabilities
10 Application Sass-lang Libsass 3.0 RC1 Version Details Vulnerabilities
11 Application Sass-lang Libsass 3.0.1 Version Details Vulnerabilities
12 Application Sass-lang Libsass 3.0.2 Version Details Vulnerabilities
13 Application Sass-lang Libsass 3.1.0 - Version Details Vulnerabilities
14 Application Sass-lang Libsass 3.1.0 Alpha Version Details Vulnerabilities
15 Application Sass-lang Libsass 3.1.0 Alpha2 Version Details Vulnerabilities
16 Application Sass-lang Libsass 3.1.0 Beta Version Details Vulnerabilities
17 Application Sass-lang Libsass 3.1.0 Beta2 Version Details Vulnerabilities
18 Application Sass-lang Libsass 3.1.0 Version Details Vulnerabilities
19 Application Sass-lang Libsass 3.2.0 Beta4 Version Details Vulnerabilities
20 Application Sass-lang Libsass 3.2.0 Version Details Vulnerabilities
21 Application Sass-lang Libsass 3.2.0 Beta5 Version Details Vulnerabilities
22 Application Sass-lang Libsass 3.2.0 - Version Details Vulnerabilities
23 Application Sass-lang Libsass 3.2.0 Beta6 Version Details Vulnerabilities
24 Application Sass-lang Libsass 3.2.0 Beta1 Version Details Vulnerabilities
25 Application Sass-lang Libsass 3.2.0 Beta2 Version Details Vulnerabilities
26 Application Sass-lang Libsass 3.2.0 Beta3 Version Details Vulnerabilities
27 Application Sass-lang Libsass 3.2.1 Version Details Vulnerabilities
28 Application Sass-lang Libsass 3.2.2 Version Details Vulnerabilities
29 Application Sass-lang Libsass 3.2.3 Version Details Vulnerabilities
30 Application Sass-lang Libsass 3.2.4 Version Details Vulnerabilities
31 Application Sass-lang Libsass 3.2.5 Version Details Vulnerabilities
32 Application Sass-lang Libsass 3.3.0 Beta2 Version Details Vulnerabilities
33 Application Sass-lang Libsass 3.3.0 Beta3 Version Details Vulnerabilities
34 Application Sass-lang Libsass 3.3.0 Version Details Vulnerabilities
35 Application Sass-lang Libsass 3.3.0 - Version Details Vulnerabilities
36 Application Sass-lang Libsass 3.3.0 Beta1 Version Details Vulnerabilities
37 Application Sass-lang Libsass 3.3.1 Version Details Vulnerabilities
38 Application Sass-lang Libsass 3.3.2 Version Details Vulnerabilities
39 Application Sass-lang Libsass 3.3.3 Version Details Vulnerabilities
40 Application Sass-lang Libsass 3.3.4 Version Details Vulnerabilities
41 Application Sass-lang Libsass 3.3.5 Version Details Vulnerabilities
42 Application Sass-lang Libsass 3.3.6 Version Details Vulnerabilities
43 Application Sass-lang Libsass 3.4.0 Version Details Vulnerabilities
44 Application Sass-lang Libsass 3.4.0 - Version Details Vulnerabilities
45 Application Sass-lang Libsass 3.4.0 RC1 Version Details Vulnerabilities
46 Application Sass-lang Libsass 3.4.1 Version Details Vulnerabilities
47 Application Sass-lang Libsass 3.4.2 Version Details Vulnerabilities
48 Application Sass-lang Libsass 3.4.3 Version Details Vulnerabilities
49 Application Sass-lang Libsass 3.4.4 Version Details Vulnerabilities
50 Application Sass-lang Libsass 3.4.4 - Version Details Vulnerabilities
51 Application Sass-lang Libsass 3.4.4 RC1 Version Details Vulnerabilities
52 Application Sass-lang Libsass 3.4.5 Version Details Vulnerabilities
53 Application Sass-lang Libsass 3.4.6 Version Details Vulnerabilities
54 Application Sass-lang Libsass 3.4.7 Version Details Vulnerabilities
55 Application Sass-lang Libsass 3.4.8 Version Details Vulnerabilities
56 Application Sass-lang Libsass 3.4.9 Version Details Vulnerabilities
57 Application Sass-lang Libsass 3.5.0 Beta1 Version Details Vulnerabilities
58 Application Sass-lang Libsass 3.5.0 Beta2 Version Details Vulnerabilities
59 Application Sass-lang Libsass 3.5.0 Beta3 Version Details Vulnerabilities
60 Application Sass-lang Libsass 3.5.0 Version Details Vulnerabilities
61 Application Sass-lang Libsass 3.5.0 - Version Details Vulnerabilities
62 Application Sass-lang Libsass 3.5.1 Version Details Vulnerabilities
63 Application Sass-lang Libsass 3.5.2 Version Details Vulnerabilities
64 Application Sass-lang Libsass 3.5.3 Version Details Vulnerabilities
65 Application Sass-lang Libsass 3.5.4 Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Sass-lang Libsass 65

- References For CVE-2018-19837

https://github.com/sass/libsass/issues/2659
http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00051.html
SUSE openSUSE-SU-2019:1800
https://github.com/sass/libsass/commit/210fdff7a65370c2ae24e022a2b35da8c423cc5f
http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00047.html
SUSE openSUSE-SU-2019:1791

- Metasploit Modules Related To CVE-2018-19837

There are not any metasploit modules related to this CVE entry (Please visit www.metasploit.com for more information)


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