Vulnerability identifier: #VU93491
Vulnerability risk: Medium
CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-338
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
DNS library in Go
Universal components / Libraries /
Libraries used by multiple products
Vendor:
Description
The vulnerability allows a remote attacker to poison DNS cache.
The vulnerability exists due to usage of predictable random numbers for TXID. A remote attacker can forge DNS responses.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
External links
http://github.com/coredns/coredns/issues/3519
http://github.com/coredns/coredns/issues/3547
http://github.com/miekg/dns/compare/v1.1.24...v1.1.25
http://github.com/miekg/dns/issues/1043
http://github.com/miekg/dns/pull/1044
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.