Zero-day Vulnerability Database

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Zero-day vulnerabilities discovered: 1

Denial of service in ISC BIND
CVE-2013-4854

Denial of service

The vulnerability allows a remote attacker to cause DoS conditions on the target system.

The weakness exists due to an error in the RFC 5011 implementation in rdata.c when parsing RDATA within a DNS query. By using a query with a malformed RDATA section that is not properly handled during construction of a log message, a remote attacker can cause an assertion failure and named daemon exit.

Successful exploitation of the vulnerability results in denial of service on the vulnerable system.

Note: the vulnerability was being actively exploited.
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We are aware of in the wild exploitation of this vulnerability before official patch release.
This vulnerability was discovered by Maxim Shudrak.

Software: ISC BIND

We are aware of in the wild exploitation of this vulnerability before official patch release.
This vulnerability was discovered by Maxim Shudrak.