CVE-2021-33833
Gentoo Linux Security Advisory 202107-29
Severity Score
9.8
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
1
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
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).
ConnMan (también se conoce como Connection Manager) versiones 1.30 hasta 1.39, presenta un desbordamiento del búfer en la región stack de la memoria en el parámetro uncompress en el archivo dnsproxy.c por medio de NAME, RDATA o RDLENGTH (para A o AAAA)
A buffer overflow in ConnMan might allow remote attacker(s) to execute arbitrary code. Versions less than 1.40 are affected.
*Credits:
N/A
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Authentication
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:-
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2021-06-03 CVE Reserved
- 2021-06-09 CVE Published
- 2024-08-03 CVE Updated
- 2024-08-03 First Exploit
- 2025-03-30 EPSS Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
CWE
- CWE-787: Out-of-bounds Write
CAPEC
References (5)
| URL | Tag | Source |
|---|---|---|
| http://www.openwall.com/lists/oss-security/2021/06/09/1 | Mailing List |
|
| https://lists.debian.org/debian-lts-announce/2022/02/msg00009.html | Mailing List |
|
| URL | Date | SRC |
|---|---|---|
| http://www.openwall.com/lists/oss-security/2022/01/25/1 | 2024-08-03 |
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|---|---|
| https://lore.kernel.org/connman | 2022-02-09 | |
| https://security.gentoo.org/glsa/202107-29 | 2022-02-09 |
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Intel Search vendor "Intel" | Connection Manager Search vendor "Intel" for product "Connection Manager" | >= 1.30 <= 1.39 Search vendor "Intel" for product "Connection Manager" and version " >= 1.30 <= 1.39" | - |
Affected
| ||||||
| Debian Search vendor "Debian" | Debian Linux Search vendor "Debian" for product "Debian Linux" | 9.0 Search vendor "Debian" for product "Debian Linux" and version "9.0" | - |
Affected
| ||||||