Improper Authentication in curl (Alpine package)



Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2016-0755
CWE-ID CWE-287
Exploitation vector Network
Public exploit N/A
Vulnerable software
 curl (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) Improper Authentication

EUVDB-ID: #VU33077

Risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2016-0755

CWE-ID: CWE-287 - Improper Authentication

Exploit availability: No

Description

The vulnerability allows a remote non-authenticated attacker to read and manipulate data.

The ConnectionExists function in lib/url.c in libcurl before 7.47.0 does not properly re-use NTLM-authenticated proxy connections, which might allow remote attackers to authenticate as other users via a request, a similar issue to CVE-2014-0015.

Mitigation

Install update from vendor's website.

Vulnerable software versions

curl (Alpine package): 7.19.6-r0 - 7.49.1-r4

CPE2.3 External links

https://git.alpinelinux.org/aports/commit/?id=13c92a8e15a7eebe1e7a022c31d39aafd7ee8e69
https://git.alpinelinux.org/aports/commit/?id=a44f8d3e99e6f956c81b48d9e6641ae3f56ba932


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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