Description
ConnMan before 0.85 does not ensure that netlink messages originate from the kernel, which allows remote attackers to bypass intended access restrictions and cause a denial of service via a crafted netlink message.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | connman | 1.0-1 | — |
| Debian 13 | connman | 1.0-1 | — |
| Debian 12 | connman | 1.0-1 | — |
References
- connman-netlink-security-bypass(75465) vdb-entry
- http://git.kernel.org/?p=network/connman/connman.git%3Ba=commit%3Bh=b0ec6eb4466acc57a9ea8be52c17b674b6ea0618
- 81704 vdb-entry
- [oss-security] 20120507 Re: connman heads up / CVE requests mailing-list
- GLSA-201205-02 vendor-advisory
- http://git.kernel.org/?p=network/connman/connman.git%3Ba=commit%3Bh=c1b968984212b46bea1330f5ae029507b9bfded9
- [oss-security] 20120507 connman heads up / CVE requests mailing-list
- 53406 vdb-entry
- [oss-security] 20120507 Re: connman heads up / CVE requests mailing-list
- 49033 third-party-advisory
- https://bugzilla.novell.com/show_bug.cgi?id=715172
- 49186 third-party-advisory