CVE-2021-26676
published 2021-02-09CVE-2021-26676: 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.
PriorityP428medium6.5CVSS 3.1
AVAACLPRNUINSUCHINAN
EPSS
1.21%
65.1th percentile
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
13 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| connman | connman | >= 0 < 1.36-2.1 | 1.36-2.1 |
| connman | connman | >= 0 < 1.36-2.1 | 1.36-2.1 |
| connman | connman | >= 0 < 1.36-2.1 | 1.36-2.1 |
| connman | connman | >= 0 < 1.36-2.1 | 1.36-2.1 |
| connman | connman | >= 0 < 1.36-2ubuntu0.1 | 1.36-2ubuntu0.1 |
| connman | connman | >= 0 < 1.36-2.3ubuntu0.1 | 1.36-2.3ubuntu0.1 |
| connman | connman | >= 0 < 1.21-1.2+deb8u1ubuntu0.1~esm1 | 1.21-1.2+deb8u1ubuntu0.1~esm1 |
| connman | connman | >= 0 < 1.35-6ubuntu0.1~esm1 | 1.35-6ubuntu0.1~esm1 |
| debian | connman | < connman 1.36-2.1 (bookworm) | connman 1.36-2.1 (bookworm) |
| debian | debian_linux | — | — |
| debian | debian_linux | — | — |
| intel | connman | < 1.39 | 1.39 |
| opensuse | leap | — | — |
CVSS provenance
nvdv3.16.5MEDIUMCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
nvdv2.03.3LOWAV:A/AC:L/Au:N/C:P/I:N/A:N
osv8.8HIGH
vendor_ubuntu8.8HIGH
vendor_debian6.5MEDIUM
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OSV
connman vulnerabilities
osv·2023-07-19·CVSS 8.8
CVE-2021-26675 [HIGH] connman vulnerabilities
connman vulnerabilities
It was discovered that ConnMan could be made to write out of bounds. A
remote attacker could possibly use this issue to cause ConnMan to crash,
resulting in a denial of service, or possibly execute arbitrary code. This
issue only affected Ubuntu 18.04 LTS and Ubuntu 20.04 LTS.
(CVE-2021-26675, CVE-2021-33833)
It was discovered that ConnMan could be made to leak sensitive information
via the gdhcp component. A remote attacker could possibly use this issue
to obtain information for further exploitation. This issue only affected
Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, and Ubuntu 20.04 LTS. (CVE-2021-26676)
It was discovered that ConnMan could be made to read out of bounds. A
remote attacker could possibly use this issue to case ConnMan to crash,
resulting in a denial of
GHSA
GHSA-6x7w-v26q-jfv3: gdhcp in ConnMan before 1
ghsa_unreviewed·2022-05-24
CVE-2021-26676 [MEDIUM] GHSA-6x7w-v26q-jfv3: gdhcp in ConnMan before 1
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.
OSV
CVE-2021-26676: gdhcp in ConnMan before 1
osv·2021-02-09·CVSS 6.5
CVE-2021-26676 [MEDIUM] CVE-2021-26676: gdhcp in ConnMan before 1
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.
Ubuntu
ConnMan vulnerabilities
vendor_ubuntu·2023-07-19·CVSS 8.8
CVE-2021-26676 [HIGH] ConnMan vulnerabilities
Title: ConnMan vulnerabilities
Summary: Several security issues were fixed in ConnMan.
It was discovered that ConnMan could be made to write out of bounds. A
remote attacker could possibly use this issue to cause ConnMan to crash,
resulting in a denial of service, or possibly execute arbitrary code. This
issue only affected Ubuntu 18.04 LTS and Ubuntu 20.04 LTS.
(CVE-2021-26675, CVE-2021-33833)
It was discovered that ConnMan could be made to leak sensitive information
via the gdhcp component. A remote attacker could possibly use this issue
to obtain information for further exploitation. This issue only affected
Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, and Ubuntu 20.04 LTS. (CVE-2021-26676)
It was discovered that ConnMan could be made to read out of bounds. A
remote attacker could possibly u
Debian
CVE-2021-26676: connman - gdhcp in ConnMan before 1.39 could be used by network-adjacent attackers to leak...
vendor_debian·2021·CVSS 6.5
CVE-2021-26676 [MEDIUM] CVE-2021-26676: connman - gdhcp in ConnMan before 1.39 could be used by network-adjacent attackers to leak...
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.
Scope: local
bookworm: resolved (fixed in 1.36-2.1)
bullseye: resolved (fixed in 1.36-2.1)
forky: resolved (fixed in 1.36-2.1)
sid: resolved (fixed in 1.36-2.1)
trixie: resolved (fixed in 1.36-2.1)
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
https://bugzilla.suse.com/show_bug.cgi?id=1181751https://git.kernel.org/pub/scm/network/connman/connman.git/commit/?id=58d397ba74873384aee449690a9070bacd5676fahttps://git.kernel.org/pub/scm/network/connman/connman.git/commit/?id=a74524b3e3fad81b0fd1084ffdf9f2ea469cd9b1https://git.kernel.org/pub/scm/network/connman/connman.git/tree/ChangeLoghttps://kunnamon.io/tbone/https://lists.debian.org/debian-lts-announce/2021/02/msg00013.htmlhttps://security.gentoo.org/glsa/202107-29https://www.debian.org/security/2021/dsa-4847https://www.openwall.com/lists/oss-security/2021/02/08/2https://bugzilla.suse.com/show_bug.cgi?id=1181751https://git.kernel.org/pub/scm/network/connman/connman.git/commit/?id=58d397ba74873384aee449690a9070bacd5676fahttps://git.kernel.org/pub/scm/network/connman/connman.git/commit/?id=a74524b3e3fad81b0fd1084ffdf9f2ea469cd9b1https://git.kernel.org/pub/scm/network/connman/connman.git/tree/ChangeLoghttps://kunnamon.io/tbone/https://lists.debian.org/debian-lts-announce/2021/02/msg00013.htmlhttps://security.gentoo.org/glsa/202107-29https://www.debian.org/security/2021/dsa-4847https://www.openwall.com/lists/oss-security/2021/02/08/2
2021-02-09
Published