Connman
CVE-2021-26676
MEDIUM
Severity by source
AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Lifecycle Timeline
1DescriptionNVD
gdhcp in ConnMan before 1.39 could be used by network-adjacent attackers to leak sensitive stack information, allowing further exploitation of bugs in gdhcp.
AnalysisAI
gdhcp in ConnMan before 1.39 could be used by network-adjacent attackers to leak sensitive stack information, allowing further exploitation of bugs in gdhcp. Rated medium severity (CVSS 6.5), this vulnerability is no authentication required, low attack complexity.
Technical ContextAI
gdhcp in ConnMan before 1.39 could be used by network-adjacent attackers to leak sensitive stack information, allowing further exploitation of bugs in gdhcp. Affected products include: Intel Connman, Debian Debian Linux, Opensuse Leap. Version information: before 1.39.
RemediationAI
A vendor patch is available. Apply the latest security update as soon as possible. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.
Stack-based buffer overflow in "dnsproxy.c" in connman 1.34 and earlier allows remote attackers to cause a denial of ser
The loopback plug-in in ConnMan before 0.85 allows remote attackers to execute arbitrary commands via shell metacharacte
client.c in gdhcp in ConnMan through 1.41 could be used by network-adjacent attackers (operating a crafted DHCP server)
In ConnMan through 1.41, remote attackers able to send HTTP requests to the gweb component are able to exploit a heap-ba
A stack-based buffer overflow in dnsproxy in ConnMan before 1.39 could be used by network adjacent attackers to execute
ConnMan before 0.85 does not ensure that netlink messages originate from the kernel, which allows remote attackers to by
In ConnMan through 1.41, a man-in-the-middle attack against a WISPR HTTP query could be used to trigger a use-after-free
Integer overflow in the dhcpv6_get_option function in gdhcp/client.c in ConnMan before 0.85 allows remote attackers to c
ConnMan 1.3 on Tizen continues to list the bluetooth service after offline mode has been enabled, which might allow remo
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External POC / Exploit Code
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