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Cache poisoning vulnerabilities found in 2 DNS resolving apps

Ars Technica · Security ()4 min read3 · 1 read
Analyze CVE-2025-40778 with Vani AIImpact, affected versions, exploitation, mitigations and detection

Vulnerabilities mentioned

All
CVEVulnerabilityCVSSEPSSSignalsPublished
CVE-2025-40778
Under certain circumstances, BIND is too lenient when accepting records from answers, allowing an attacker to inject forged data into the cache
8.6<1%
CVE-2025-40780
In specific circumstances, due to a weakness in the Pseudo Random Number Generator (PRNG) that is used, it is possible for an attacker to predict the source…
8.6<1%

Indicators of compromise

auto-extracted · verify before use · export allAll
TypeIndicatorContext
ipv43.15.119.63esses controlled by the domain name operator (for instance, 3.15.119.63 for arstechnica.com) with malicious ones controlled by the

From the original article

4 min read at arstechnica.com

At least one CVE could weaken defenses put in place following 2008 disclosure. The makers of BIND, the Internet’s most widely used software for resolving domain names, are warning of two vulnerabilities that allow attackers to poison entire caches of results and send users to malicious destinations that are indistinguishable from the real ones.

Ars Technica · Security

arstechnica.com

Read the full article at Ars Technica · Security

A short excerpt; the article and its images belong to the publisher. Summary, key facts and assessment above are AI-written from the article and can be wrong.