Ubuntu update for xmlrpc-epi

1) Heap overflow in simplestring_addn()

EUVDB-ID: #VU221

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-2016-6296

CWE-ID: CWE-119 - Memory corruption

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 simplestring_addn() function ('simplestring.c') within the XMLRPC component. A remote unauthenticated attacker can cause a heap-based buffer overflow and execute arbitrary code on the target system.

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

Mitigation

Update the affected packages

Ubuntu 16.04 LTS:

libxmlrpc-epi0 0.54.2-1.1ubuntu0.1

Vulnerable software versions

Ubuntu: 16.04

External links

http://www.ubuntu.com/usn/usn-3059-1/

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.