CVE-2013-4487: Medium severity GNU GnuTLS vulnerability

Published Nov 19, 2013
·
Updated

Off-by-one error in the danerawtlsa in the DANE library (libdane) in GnuTLS 3.1.x before 3.1.16 and 3.2.x before 3.2.6 allows remote servers to cause a denial of service (memory corruption) via a response with more than four DANE entries. NOTE: this issue is due to an incomplete fix for CVE-2013-4466.

Affected Software

23 affected components
GNU GnuTLS=3.2.0
GNU GnuTLS=3.2.1
GNU GnuTLS=3.2.2
GNU GnuTLS=3.2.3
GNU GnuTLS=3.2.4
GNU GnuTLS=3.2.5
GNU GnuTLS=3.1.0
GNU GnuTLS=3.1.1
GNU GnuTLS=3.1.2
GNU GnuTLS=3.1.3
GNU GnuTLS=3.1.4
GNU GnuTLS=3.1.5
GNU GnuTLS=3.1.6
GNU GnuTLS=3.1.7
GNU GnuTLS=3.1.8
GNU GnuTLS=3.1.9
GNU GnuTLS=3.1.10
GNU GnuTLS=3.1.11
GNU GnuTLS=3.1.12
GNU GnuTLS=3.1.13
GNU GnuTLS=3.1.14
GNU GnuTLS=3.1.15
openSUSE openSUSE=13.1

Event History

Nov 19, 2013
CVE Published
via MITRE·07:00 PM
Data Sourced
via MITRE·07:00 PM
Description

Frequently Asked Questions

1

What is the severity of CVE-2013-4487?

CVE-2013-4487 has a severity rating that indicates it can lead to denial of service through memory corruption.

2

How do I fix CVE-2013-4487?

To fix CVE-2013-4487, users should upgrade to GnuTLS version 3.1.16 or later, or 3.2.6 or later.

3

What causes the vulnerability identified by CVE-2013-4487?

CVE-2013-4487 is caused by an off-by-one error in the dane_raw_tlsa function in the DANE library of GnuTLS.

4

Which versions of GnuTLS are affected by CVE-2013-4487?

GnuTLS versions 3.1.x before 3.1.16 and 3.2.x before 3.2.6 are affected by CVE-2013-4487.

5

What impact can CVE-2013-4487 have on systems?

CVE-2013-4487 can allow remote servers to provoke memory corruption, resulting in a denial of service on vulnerable systems.

Contact

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