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CVE-2025-32743 (GCVE-0-2025-32743)

Vulnerability from cvelistv5 – Published: 2025-04-10 00:00 – Updated: 2025-04-10 14:30

Summary

In ConnMan through 1.44, the lookup string in ns_resolv in dnsproxy.c can be NULL or an empty string when the TC (Truncated) bit is set in a DNS response. This allows attackers to cause a denial of service (application crash) or possibly execute arbitrary code, because those lookup values lead to incorrect length calculations and incorrect memcpy operations.

Severity

9 (Critical)


                        
                          CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H

SSVC

Exploitation: poc Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2025-04-10 14:30 UTC

CWE

CWE-392 - Missing Report of Error Condition

Assigner

mitre mitre root

References

2 references

URL	Tags
https://web.git.kernel.org/pub/scm/network/connma…
https://lapis-sawfish-be3.notion.site/0-click-Vul…

Impacted products

1 product

Vendor	Product	Version
ConnMan	ConnMan	Affected: 0 , ≤ 1.44 (custom) cpe:2.3:a:connman:connman::::::::

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CVE-2025-32366 (GCVE-0-2025-32366)

Vulnerability from cvelistv5 – Published: 2025-04-05 00:00 – Updated: 2025-04-15 15:15

Summary

In ConnMan through 1.44, parse_rr in dnsproxy.c has a memcpy length that depends on an RR RDLENGTH value, i.e., *rdlen=ntohs(rr->rdlen) and memcpy(response+offset,*end,*rdlen) without a check for whether the sum of *end and *rdlen exceeds max. Consequently, *rdlen may be larger than the amount of remaining packet data in the current state of parsing. Values of stack memory locations may be sent over the network in a response.