CVE-2013-3557 Denial of service in n/a

Medium 5.0 Published Updated

Remote attackers can crash Wireshark by sending malformed ASN.1 BER packets due to improper variable initialization in the dissector.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
Available

What is CVE-2013-3557?

CVE-2013-3557 is a medium-severity denial of service vulnerability in Debian Debian Linux, published on 25 May 2013. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The dissect_ber_choice function in epan/dissectors/packet-ber.c in the ASN.1 BER dissector in Wireshark 1.6.x before 1.6.15 and 1.8.x before 1.8.7 does not properly initialize a certain variable, which allows remote attackers to cause a denial of service (application crash) via a malformed packet.

Weakness: CWE-119

Which versions are affected by CVE-2013-3557?

It affects 3 products.

Products include Debian Debian Linux, Opensuse Opensuse, Wireshark Wireshark.

How do I fix CVE-2013-3557?

Upgrade to a fixed version.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2013-3557 being exploited?

There is no known exploitation of CVE-2013-3557 in the wild and no public exploit code.

All Debian Debian Linux vulnerabilities

Sources

Also known as DEBIAN-CVE-2013-3557, GHSA-hp72-9f76-93p7, MGASA-2013-0165.

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