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Rule General Information |
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Release Date: | 2021-05-13 | |
Rule Name: | DNSmasq sort_rrset Heap OOB Write Vulnerability (CVE-2020-25683) | |
Severity: | ||
CVE ID: | ||
Rule Protection Details |
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Description: | A flaw was found in dnsmasq before version 2.83. A heap-based buffer overflow was discovered in dnsmasq when DNSSEC is enabled and before it validates the received DNS entries. A remote attacker, who can create valid DNS replies, could use this flaw to cause an overflow in a heap-allocated memory. | |
Impact: | An attacker could exploit this vulnerability to have unspecified effect. | |
Affected OS: | Windows, Linux, Others | |
Reference: | https://bugzilla.redhat.com/show_bug.cgi https://www.jsof-tech.com/disclosures/dnspooq/ https://www.debian.org/security/2021/dsa-4844 https://lists.fedoraproject.org/archives/list/package-announce |
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Solutions |
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The vendor has released upgrade patches to fix vulnerabilities, please visit: https://www.jsof-tech.com/disclosures/dnspooq/ |