Out-of-bounds read in freerdp (Alpine package)



Published: 2019-04-17
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2018-8789
CWE-ID CWE-125
Exploitation vector Network
Public exploit Public exploit code for vulnerability #1 is available.
Vulnerable software
Subscribe
freerdp (Alpine package)
Operating systems & Components / Operating system package or component

Vendor Alpine Linux Development Team

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Out-of-bounds read

EUVDB-ID: #VU16588

Risk: Low

CVSSv3.1: 6.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:P/RL:O/RC:C]

CVE-ID: CVE-2018-8789

CWE-ID: CWE-125 - Out-of-bounds read

Exploit availability: No

Description

The vulnerability allows a remote attacker to cause DoS condition.

The vulnerability exists due to several out-of-bound read conditions that exist in the NTLM authentication module. A remote attacker can send a specially crafted request that submits malicious input, trigger several out-of-bounds read conditions that the attacker can use to cause a DoS condition.

Mitigation

Install update from vendor's website.

Vulnerable software versions

freerdp (Alpine package): 2.0.0_rc3-r1

External links

http://git.alpinelinux.org/aports/commit/?id=e661f5459886e6e7cc6c5562633ab99aa4a38101
http://git.alpinelinux.org/aports/commit/?id=0711692c669f13dd536c845cb15cb205c9e88d12


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. However, proof of concept for this vulnerability is available.



###SIDEBAR###