CVE-2019-16215
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.
Zulip server是美国Zulip公司的一款开源的团队聊天应用程序。Markdown parser是其中的一个Markdown标记语言解析器。 Zulip server 2.0.5之前版本中的Markdown解析器存在资源管理错误漏洞。该漏洞源于网络系统或产品对系统资源（如内存、磁盘空间、文件等）的管理不当。
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I. Basic Information for CVE-2019-16215
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
The Markdown parser in Zulip server before 2.0.5 used a regular expression vulnerable to exponential backtracking. A user who is logged into the server could send a crafted message causing the server to spend an effectively arbitrary amount of CPU time and stall the processing of future messages.
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
Zulip server Markdown解析器资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Zulip server是美国Zulip公司的一款开源的团队聊天应用程序。Markdown parser是其中的一个Markdown标记语言解析器。 Zulip server 2.0.5之前版本中的Markdown解析器存在资源管理错误漏洞。该漏洞源于网络系统或产品对系统资源（如内存、磁盘空间、文件等）的管理不当。
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 | - |
|
II. Public POCs for CVE-2019-16215
| # | POC Description | Source Link | Shenlong Link |
|---|
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Patches & Fixes for CVE-2019-16215 (1)
-
https://github.com/zulip/zulip/commit/5797f013b3be450c146a4141514bda525f2f1b51 x_refsource_CONFIRM
Security Blog Posts for CVE-2019-16215 (1)
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https://blog.zulip.org/2019/09/11/zulip-server-2-0-5-security-release/ x_refsource_CONFIRM
Same Patch Batch · n/a · 2019-09-18 · 17 CVEs total
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IV. Related Vulnerabilities
V. Comments for CVE-2019-16215
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