CVE-2018-19837
Quick assessment
Affected
n/a n/a
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
LibSass是一个开源的使用C语言编写的Sass（CSS扩展语言）解析器。 LibSass 3.5.5之前版本中的eval.cpp文件的‘Sass::Eval::operator()’函数存在安全漏洞，该漏洞源于程序没有正确的解析‘%’字符。攻击者可借助特制的sass文件利用该漏洞造成拒绝服务（栈损坏）。
Possible ATT&CK Techniques 1 AI
T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2018-19837
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
LibSass 资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
LibSass是一个开源的使用C语言编写的Sass（CSS扩展语言）解析器。 LibSass 3.5.5之前版本中的eval.cpp文件的‘Sass::Eval::operator()’函数存在安全漏洞，该漏洞源于程序没有正确的解析‘%’字符。攻击者可借助特制的sass文件利用该漏洞造成拒绝服务（栈损坏）。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| - | n/a | n/a | - |
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II. Public POCs for CVE-2018-19837
| # | POC Description | Source Link | Shenlong Link |
|---|
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Patches & Fixes for CVE-2018-19837 (1)
Mailing List Discussions for CVE-2018-19837 (3)
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http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00051.html vendor-advisory x_refsource_SUSE
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http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00027.html vendor-advisory x_refsource_SUSE
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http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00047.html vendor-advisory x_refsource_SUSE
Other References for CVE-2018-19837 (1)
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https://github.com/sass/libsass/issues/2659 x_refsource_MISC
Same Patch Batch · n/a · 2018-12-04 · 50 CVEs total
| CVE-2018-16629 | Subrion CMS 跨站脚本漏洞 | |
| CVE-2018-16478 | simplehttpserver 路径遍历漏洞 | |
| CVE-2018-19841 | WavPack 安全漏洞 | |
| CVE-2018-19842 | radare2 安全漏洞 | |
| CVE-2018-19843 | radare2 安全漏洞 | |
| CVE-2018-19849 | YzmCMS 跨站脚本漏洞 | |
| CVE-2018-19853 | hitshop 权限许可和访问控制问题漏洞 | |
| CVE-2018-19840 | WavPack 资源管理错误漏洞 | |
| CVE-2018-16633 | Pluck 跨站脚本漏洞 | |
| CVE-2018-16631 | Subrion CMS 跨站脚本漏洞 | |
| CVE-2018-16634 | Pluck 跨站请求伪造漏洞 | |
| CVE-2018-16628 | Kirby 跨站脚本漏洞 | |
| CVE-2018-12319 | ASUSTOR ADM 跨站脚本漏洞 | |
| CVE-2018-12318 | ASUSTOR ADM 信息泄露漏洞 | |
| CVE-2018-12317 | ASUSTOR ADM 操作系统命令注入漏洞 | |
| CVE-2018-12316 | ASUSTOR ADM 操作系统命令注入漏洞 | |
| CVE-2018-12315 | ASUSTOR ADM 安全漏洞 | |
| CVE-2018-12314 | ASUSTOR ADM 路径遍历漏洞 | |
| CVE-2018-12313 | ASUSTOR ADM 操作系统命令注入漏洞 | |
| CVE-2018-12312 | ASUSTOR ADM 操作系统命令注入漏洞 |
Showing top 20 of 50 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
V. Comments for CVE-2018-19837
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