Arch Linux update for lib32-libcurl-gnutls

Published: 2017-01-03 | Updated: 2017-05-03

Risk	High
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2016-9586 CVE-2016-9594
CWE-ID	CWE-119 CWE-665
Exploitation vector	Network
Public exploit	N/A
Vulnerable software Subscribe	Arch Linux Operating systems & Components / Operating system
Vendor	Arch Linux

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Buffer overflow

EUVDB-ID: #VU33022

Risk: High

CVSSv3.1: 7.1 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2016-9586

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.

curl before version 7.52.0 is vulnerable to a buffer overflow when doing a large floating point output in libcurl's implementation of the printf() functions. If there are any application that accepts a format string from the outside without necessary input filtering, it could allow remote attacks.

Mitigation

Update the affected package lib32-libcurl-gnutls to version 7.52.1-1.

Vulnerable software versions

Arch Linux: All versions

External links

http://security.archlinux.org/advisory/ASA-201701-11

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 Initialization

EUVDB-ID: #VU31318