SUSE Linux update for wget

Published: 2017-10-27

Risk	High
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2017-13089 CVE-2017-13090
CWE-ID	CWE-122
Exploitation vector	Network
Public exploit	N/A
Vulnerable software Subscribe	wget Server applications / File servers (FTP/HTTP)
Vendor	GNU

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Heap-based buffer overflow

EUVDB-ID: #VU8959

Risk: High

CVSSv3.1: 8.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2017-13089

CWE-ID: CWE-122 - Heap-based Buffer Overflow

Exploit availability: No

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to heap-based buffer overflow in the skip_short_body() function in 'src/http.c' when processing HTTP chunk size values. A remote attacker can send specially crafted HTTP data, trigger memory corruption and execute arbitrary code with privileges of the current user.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation

Update the affected packages.

Vulnerable software versions

wget: 1.5.3 - 1.19.2

External links

http://lists.opensuse.org/opensuse-security-announce/2017-10/msg00078.html

Q & A

Can this vulnerability be exploited remotely?

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

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

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

2) Heap-based buffer overflow

EUVDB-ID: #VU8960