CVE-2021-26675: Buffer Overflow
First published: Tue Feb 09 2021(Updated: )
A stack-based buffer overflow in dnsproxy in ConnMan before 1.39 could be used by network adjacent attackers to execute code.
Credit: cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Intel Connman | <1.39 | |
| Debian Debian Linux | =9.0 | |
| Debian Debian Linux | =10.0 | |
| openSUSE Leap | =15.2 | |
| debian/connman | 1.36-2.1~deb10u2 1.36-2.1~deb10u5 1.36-2.2+deb11u2 1.41-3 1.42-5 | |
| ubuntu/connman | <1.36-2.1 | 1.36-2.1 |
| ubuntu/connman | <1.35-6ubuntu0.1~ | 1.35-6ubuntu0.1~ |
| ubuntu/connman | <1.36-2ubuntu0.1 | 1.36-2ubuntu0.1 |
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Reference Links
- https://git.kernel.org/pub/scm/network/connman/connman.git/commit/?id=e4079a20f617a4b076af503f6e4e8b0304c9f2cb
- https://git.kernel.org/pub/scm/network/connman/connman.git/tree/ChangeLog
- https://www.debian.org/security/2021/dsa-4847
- https://bugzilla.suse.com/show_bug.cgi?id=1181751
- https://www.openwall.com/lists/oss-security/2021/02/08/2
- https://lists.debian.org/debian-lts-announce/2021/02/msg00013.html
- https://kunnamon.io/tbone/
- https://security.gentoo.org/glsa/202107-29
- https://launchpad.net/bugs/cve/CVE-2021-26675
- https://security-tracker.debian.org/tracker/CVE-2021-26675
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-26675
- https://ubuntu.com/security/notices/USN-6236-1
- https://nvd.nist.gov/vuln/detail/CVE-2021-26675
- https://ubuntu.com/security/CVE-2021-26675
Frequently Asked Questions
What is the vulnerability ID?
The vulnerability ID is CVE-2021-26675.
What is the severity of CVE-2021-26675?
The severity of CVE-2021-26675 is high, with a severity value of 8.8.
What is the affected software?
The affected software is ConnMan versions 1.36-2.1 and earlier.
How can network adjacent attackers exploit CVE-2021-26675?
Network adjacent attackers can exploit CVE-2021-26675 to execute code by triggering a stack-based buffer overflow in dnsproxy.
Where can I find more information about CVE-2021-26675?
You can find more information about CVE-2021-26675 at the following references: [link-1], [link-2], [link-3].
- agent/author
- agent/description
- agent/event
- agent/first-publish-date
- agent/last-modified-date
- agent/references
- agent/remedy
- agent/severity
- agent/softwarecombine
- agent/tags
- agent/type
- agent/weakness
- collector/launchpad-cve
- source/Launchpad
- collector/nvd-cve
- source/NVD
- agent/software-canonical-lookup
- collector/nvd-index
- collector/security-tracker-debian
- source/Debian
- collector/usn-cve
- source/Ubuntu
- vendor/intel
- canonical/intel connman
- vendor/debian
- canonical/debian debian linux
- version/debian debian linux/9.0
- version/debian debian linux/10.0
- vendor/opensuse
- canonical/opensuse leap
- version/opensuse leap/15.2
- package-manager/debian
- package-manager/ubuntu