by Kastro
Paper/Archive/CVE-2023-31470

CVE-2023-31470

mitre — SmartDNS through 41 before 56d0332 allows an out-of-bounds write because of a stack-based buffer overflow in the _dns_encode_domain funct…

EPSS 1%public exploitCVSS 9.8
critical.is priorityof 100
53
CVSS 9.8 (ADP, NVD agree)9.8 / 10 × 3029.4Not in CISA KEV+300.0EPSS percentile 66.1.661 × 2013.2Exploit: SSVC poc+1010.0SSVC exploitation: poc+100.0
Description · from the CVE record

SmartDNS through 41 before 56d0332 allows an out-of-bounds write because of a stack-based buffer overflow in the _dns_encode_domain function in the dns.c file, via a crafted DNS request.

Affected

ProductAffectedFixed inSource
n/an/a–CNA

Scores by source

CISA ADP9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CISA ADPSSVCExploitation: poc · Automatable: yes · Technical impact: total

References

refgithub.com/pymumu/smartdns/issues/1378refgithub.com/pymumu/smartdns/commit/56d0332bf91104cfc877635f6c82e9348587df04