Amazon Linux AMI update for net-snmp

1) Out-of-bounds read

EUVDB-ID: #VU43726

Risk: Low

CVSSv3.1: 1.4 [CVSS:3.1/AV:N/AC:L/PR:/UI:N/S:U/C:N/I:N/A:L/E:U/RL:U/RC:C]

CVE-ID: CVE-2012-2141

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

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain access to perform denial of service (DoS) attack.

The vulnerability exists due to a boundary condition within the the handle_nsExtendOutput2Table function function in agent/mibgroup/agent/extend.c file. A remote attacker can create a specially crafted file, trick the victim into opening it, trigger out-of-bounds read error and crash the affected application.

Mitigation

Update the affected packages:

i686:
    net-snmp-perl-5.5-41.10.amzn1.i686
    net-snmp-utils-5.5-41.10.amzn1.i686
    net-snmp-libs-5.5-41.10.amzn1.i686
    net-snmp-python-5.5-41.10.amzn1.i686
    net-snmp-debuginfo-5.5-41.10.amzn1.i686
    net-snmp-devel-5.5-41.10.amzn1.i686
    net-snmp-5.5-41.10.amzn1.i686

src:
    net-snmp-5.5-41.10.amzn1.src

x86_64:
    net-snmp-python-5.5-41.10.amzn1.x86_64
    net-snmp-5.5-41.10.amzn1.x86_64
    net-snmp-debuginfo-5.5-41.10.amzn1.x86_64
    net-snmp-libs-5.5-41.10.amzn1.x86_64
    net-snmp-devel-5.5-41.10.amzn1.x86_64
    net-snmp-perl-5.5-41.10.amzn1.x86_64
    net-snmp-utils-5.5-41.10.amzn1.x86_64

Vulnerable software versions

Amazon Linux AMI: All versions

External links

http://alas.aws.amazon.com/ALAS-2012-97.html

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote via the Internet.

Is there known malware, which exploits this vulnerability?

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