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CVE-2023-51636— Avira Prime Link Following Local Privilege Escalation Vulnerability

Quick assessment

Affected
Avira Prime
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.

Avira Prime是德国Avira公司的一个安全软件。 Avira Prime存在安全漏洞，该漏洞源于服务中存在特定缺陷，通过创建符号链接，攻击者可以删除文件。

AI Predicted 7.8 Difficulty: Easy EPSS 0.96% · P60
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I. Basic Information for CVE-2023-51636

Vulnerability Information
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Vulnerability Title
Avira Prime Link Following Local Privilege Escalation Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Avira Prime Link Following Local Privilege Escalation Vulnerability. This vulnerability allows local attackers to escalate privileges on affected installations of Avira Prime. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The specific flaw exists within the Avira Spotlight Service. By creating a symbolic link, an attacker can abuse the service to delete a file. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of SYSTEM. Was ZDI-CAN-21600.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
在文件访问前对链接解析不恰当(链接跟随)
Source: CVE Program / CVE List V5
Vulnerability Title
Avira Prime 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Avira Prime是德国Avira公司的一个安全软件。 Avira Prime存在安全漏洞，该漏洞源于服务中存在特定缺陷，通过创建符号链接，攻击者可以删除文件。
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
Avira Prime 1.1.94.4 -

II. Public POCs for CVE-2023-51636

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III. Intelligence Information for CVE-2023-51636

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Vendor Advisories for CVE-2023-51636 (1)

IV. Related Vulnerabilities

Same product: Prime
Same vendor: Avira
Same weakness: CWE-59

V. Comments for CVE-2023-51636

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