Vulnerability Description
ConnMan (aka Connection Manager) 1.30 through 1.39 has a stack-based buffer overflow in uncompress in dnsproxy.c via NAME, RDATA, or RDLENGTH (for A or AAAA).
CVSS Score
9.8
CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Intel | Connection Manager | >= 1.30, <= 1.39 |
| Debian | Debian Linux | 9.0 |
Related Weaknesses (CWE)
References
- http://www.openwall.com/lists/oss-security/2021/06/09/1Mailing ListThird Party Advisory
- http://www.openwall.com/lists/oss-security/2022/01/25/1ExploitMailing ListThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2022/02/msg00009.htmlMailing ListThird Party Advisory
- https://lore.kernel.org/connman/Vendor Advisory
- https://security.gentoo.org/glsa/202107-29Third Party Advisory
- http://www.openwall.com/lists/oss-security/2021/06/09/1Mailing ListThird Party Advisory
- http://www.openwall.com/lists/oss-security/2022/01/25/1ExploitMailing ListThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2022/02/msg00009.htmlMailing ListThird Party Advisory
- https://lore.kernel.org/connman/Vendor Advisory
- https://security.gentoo.org/glsa/202107-29Third Party Advisory
FAQ
What is CVE-2021-33833?
CVE-2021-33833 is a vulnerability with a CVSS score of 9.8 (CRITICAL). ConnMan (aka Connection Manager) 1.30 through 1.39 has a stack-based buffer overflow in uncompress in dnsproxy.c via NAME, RDATA, or RDLENGTH (for A or AAAA).
How severe is CVE-2021-33833?
CVE-2021-33833 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2021-33833?
Check the references section above for vendor advisories and patch information. Affected products include: Intel Connection Manager, Debian Debian Linux.