#VU20061 Spoofing attack in osc - CVE-2019-3685

Vulnerability identifier: #VU20061

Vulnerability risk: Low

CVSSv4.0: 0.2 [CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2019-3685

CWE-ID: CWE-451

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
osc
Client/Desktop applications / Other client software

Vendor: SUSE

Description

The vulnerability allows a remote attacker to perform spoofing attack.

The vulnerability exists due to incorrect processing of untrusted TLS certificates. A remote attacker can create a specially crafted TLS certificate and perform Man-in-the-Middle (MitM) attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

osc: 0.127 - 0.165.3

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External links
https://lists.opensuse.org/opensuse-security-announce/2019-08/msg00007.html

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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.