Vulnerability Details : CVE-2021-33833
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).
Vulnerability category: OverflowMemory Corruption
Products affected by CVE-2021-33833
- cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
- cpe:2.3:a:intel:connection_manager:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-33833
0.41%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 73 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-33833
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
7.5
|
HIGH | AV:N/AC:L/Au:N/C:P/I:P/A:P |
10.0
|
6.4
|
NIST | |
|
9.8
|
CRITICAL | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
3.9
|
5.9
|
NIST |
CWE ids for CVE-2021-33833
-
The product writes data past the end, or before the beginning, of the intended buffer.Assigned by: nvd@nist.gov (Primary)
References for CVE-2021-33833
-
http://www.openwall.com/lists/oss-security/2021/06/09/1
oss-security - connman stack buffer overflow in dnsproxy CVE-2021-33833Mailing List;Third Party Advisory
-
https://lore.kernel.org/connman/
ConnMan network managerVendor Advisory
-
https://lists.debian.org/debian-lts-announce/2022/02/msg00009.html
[SECURITY] [DLA 2915-1] connman security updateMailing List;Third Party Advisory
-
http://www.openwall.com/lists/oss-security/2022/01/25/1
oss-security - Multiple vulnerabilities in connman's dnsproxy componentExploit;Mailing List;Third Party Advisory
-
https://security.gentoo.org/glsa/202107-29
ConnMan: Multiple vulnerabilities (GLSA 202107-29) — Gentoo securityThird Party Advisory
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