Gentoo update for cURL

Published: 2020-07-27

Risk	Medium
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2020-8169 CVE-2020-8177
CWE-ID	CWE-200 CWE-644
Exploitation vector	Network
Public exploit	N/A
Vulnerable software Subscribe	Gentoo Linux Operating systems & Components / Operating system
Vendor	Gentoo

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Information disclosure

EUVDB-ID: #VU29292

Risk: Medium

CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-8169

CWE-ID: CWE-200 - Information exposure

Exploit availability: No

Description

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

The vulnerability exists due to cURL sends a DNS query with the provided credentials for HTTP authentication when processing redirects. A remote attacker that controls a DNS server can gain access to HTTP authenticated credentials.

Mitigation

Update the affected packages.
net-misc/curl to version: 7.71.0

Vulnerable software versions

Gentoo Linux: All versions

External links

http://security.gentoo.org/
http://security.gentoo.org/glsa/202007-16

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.

2) Improper Neutralization of HTTP Headers for Scripting Syntax

EUVDB-ID: #VU29290

Risk: Low

CVSSv3.1: 3.8 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-8177

CWE-ID: CWE-644 - Improper Neutralization of HTTP Headers for Scripting Syntax