openSUSE update for ncurses

Published: 2017-07-15

Risk	High
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2017-10684 CVE-2017-10685
CWE-ID	CWE-121 CWE-134
Exploitation vector	Network
Public exploit	N/A
Vulnerable software Subscribe	ncurses Universal components / Libraries / Libraries used by multiple products
Vendor	Free Software Foundation

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Stack-based buffer overflow

EUVDB-ID: #VU12110

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-2017-10684

CWE-ID: CWE-121 - Stack-based buffer overflow

Exploit availability: No

Description

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

The vulnerability exists in the fmt_entry function of ncurses due to stack-based buffer overflow when handling malicious input. A remote unauthenticated attacker can send a request that submits malicious input, trigger memory corruption and execute arbitrary code with elevated privileges.

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

Mitigation

Update the affected packages.

Vulnerable software versions

ncurses: 6.0

External links

http://lists.opensuse.org/opensuse-security-announce/2017-07/msg00024.html

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) Use of externally-controlled format string

EUVDB-ID: #VU12190