PT-2011-2419 · Maradns · Maradns

Raphael Geissert · Published 2011-01-28 · Updated 2017-08-17 · CVE-2011-0520

Positive Technologies (AI Summary)

CVSS v2.0

7.5

High

Base vector

AV:N/AC:L/Au:N/C:P/I:P/A:P

Name of the Vulnerable Software and Affected Versions MaraDNS versions 1.4.03 through 1.4.05

Description The issue allows remote attackers to cause a denial of service and possibly execute arbitrary code via a long DNS hostname with a large number of labels, triggering a heap-based buffer overflow in the compress add dlabel points function.

Recommendations For MaraDNS versions 1.4.03 through 1.4.05, consider applying a patch or fix that addresses the heap-based buffer overflow in the compress add dlabel points function to prevent exploitation. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Buffer Overflow

Weakness Enumeration

CWE-119

Related Identifiers

CVE-2011-0520

DSA-2196-1

Affected Products

Maradns

References · 14

• https://nvd.nist.gov/vuln/detail/CVE-2011-0520 · Security Note
• https://osv.dev/vulnerability/CVE-2011-0520 · Vendor Advisory
• http://debian.org/security/2011/dsa-2196 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2011-0520 · Vendor Advisory
• http://secunia.com/advisories/43027 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2011-0520 · Vendor Advisory
• http://openwall.com/lists/oss-security/2011/01/24/6 · Note
• http://vupen.com/english/advisories/2011/0699 · Note
• http://securityfocus.com/bid/45966 · Note
• http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=610834 · Note
• https://exchange.xforce.ibmcloud.com/vulnerabilities/64885 · Note
• http://osvdb.org/70630 · Note
• http://openwall.com/lists/oss-security/2011/01/24/1 · Note
• http://secunia.com/advisories/43107 · Note