Use of Uninitialized Variable in apache2 (Alpine package)



Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2020-1934
CWE-ID CWE-457
Exploitation vector Network
Public exploit N/A
Vulnerable software
 apache2 (Alpine package)
Operating systems & Components / Operating system package or component

Vendor Alpine Linux Development Team

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Use of Uninitialized Variable

EUVDB-ID: #VU26528

Risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2020-1934

CWE-ID: CWE-457 - Use of Uninitialized Variable

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain access to sensitive information.

The vulnerability exists due to the "mod_proxy_ftp" may use uninitialized memory when proxying to a malicious FTP server. A remote attacker can gain unauthorized access to sensitive information on the target system.

Mitigation

Install update from vendor's website.

Vulnerable software versions

apache2 (Alpine package): 2.4.4-r0 - 2.4.41-r0

CPE2.3 External links

https://git.alpinelinux.org/aports/commit/?id=70887376e8deea648f023181bbbe7d2ef17ed5af
https://git.alpinelinux.org/aports/commit/?id=97cc1daad59156e767936e4ea1762d331195f7eb
https://git.alpinelinux.org/aports/commit/?id=bf5b47113f932a4c66b1a85154514d24fd9e3f5b
https://git.alpinelinux.org/aports/commit/?id=d6095f7dc165058ba032d27622224dc4ed2a78cc
https://git.alpinelinux.org/aports/commit/?id=f9dbe36405c236b51c640ef3a59f0f14baeee18d


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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