Buffer overflow in ISC BIND



| Updated: 2020-07-24
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2013-2266
CWE-ID CWE-119
Exploitation vector Network
Public exploit N/A
Vulnerable software
 ISC BIND
Server applications / DNS servers

Vendor ISC

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Buffer overflow

EUVDB-ID: #VU31840

Risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2013-2266

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.

libdns in ISC BIND 9.7.x and 9.8.x before 9.8.4-P2, 9.8.5 before 9.8.5b2, 9.9.x before 9.9.2-P2, and 9.9.3 before 9.9.3b2 on UNIX platforms allows remote attackers to cause a denial of service (memory consumption) via a crafted regular expression, as demonstrated by a memory-exhaustion attack against a machine running a named process.

Mitigation

Install update from vendor's website.

Vulnerable software versions

ISC BIND: 9.9.8-P3

CPE2.3 External links

https://linux.oracle.com/errata/ELSA-2014-1244
https://lists.apple.com/archives/security-announce/2013/Sep/msg00002.html
https://lists.fedoraproject.org/pipermail/package-announce/2013-April/101500.html
https://lists.fedoraproject.org/pipermail/package-announce/2013-April/101603.html
https://marc.info/?l=bugtraq&m=136804614120794&w=2
https://rhn.redhat.com/errata/RHSA-2013-0689.html
https://rhn.redhat.com/errata/RHSA-2013-0690.html
https://support.apple.com/kb/HT5880
https://www.debian.org/security/2013/dsa-2656
https://www.isc.org/software/bind/advisories/cve-2013-2266
https://www.securityfocus.com/bid/58736
https://www.ubuntu.com/usn/USN-1783-1
https://kb.isc.org/article/AA-00871/
https://kb.isc.org/article/AA-00879/
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A19579


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

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



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