Buffer overflow in Netty

Published: 2014-07-31 | Updated: 2020-08-10

Risk	Medium
Patch available	YES
Number of vulnerabilities	1
CVE-ID	CVE-2014-3488
CWE-ID	CWE-119
Exploitation vector	Network
Public exploit	N/A
Vulnerable software Subscribe	Netty Universal components / Libraries / Libraries used by multiple products
Vendor	Netty project

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Buffer overflow

EUVDB-ID: #VU41436

Risk: Medium

CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2014-3488

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

The vulnerability allows a remote non-authenticated attacker to perform service disruption.

The SslHandler in Netty before 3.9.2 allows remote attackers to cause a denial of service (infinite loop and CPU consumption) via a crafted SSLv2Hello message.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Netty: 3.6.0 - 3.9.1

External links

http://netty.io/news/2014/06/11/3-9-2-Final.html
http://secunia.com/advisories/59196
http://github.com/netty/netty/commit/2fa9400a59d0563a66908aba55c41e7285a04994
http://github.com/netty/netty/issues/2562
http://lists.debian.org/debian-lts-announce/2020/02/msg00018.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.