openEuler 22.03 LTS SP1 update for mosquitto
| Risk | Medium |
| Patch available | YES |
| Number of vulnerabilities | 2 |
| CVE-ID | CVE-2023-3592 CVE-2023-5632 |
| CWE-ID | CWE-401 CWE-400 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software |
openEuler Operating systems & Components / Operating system mosquitto-debuginfo Operating systems & Components / Operating system package or component mosquitto-debugsource Operating systems & Components / Operating system package or component mosquitto-devel Operating systems & Components / Operating system package or component mosquitto Operating systems & Components / Operating system package or component |
| Vendor | openEuler |
Security Bulletin
This security bulletin contains information about 2 vulnerabilities.
1) Memory leak
EUVDB-ID: #VU79938
Risk: Medium
CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]
CVE-ID: CVE-2023-3592
CWE-ID:
CWE-401 - Missing release of memory after effective lifetime
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform DoS attack on the target system.
The vulnerability exists due memory leak when processing v5 CONNECT packets. A remote attacker can force the application to leak memory by sending messages with invalid property types.
MitigationInstall updates from vendor's repository.
Vulnerable software versionsopenEuler: 22.03 LTS SP1
mosquitto-debuginfo: before 2.0.16-1
mosquitto-debugsource: before 2.0.16-1
mosquitto-devel: before 2.0.16-1
mosquitto: before 2.0.16-1
CPE2.3- cpe:2.3:o:openeuler:openeuler:22.03:LTS SP1:*:*:*:*:*:*
- cpe:2.3:a:openeuler:mosquitto-debuginfo:*:*:*:*:*:openeuler:*:*
- cpe:2.3:a:openeuler:mosquitto-debugsource:*:*:*:*:*:openeuler:*:*
- cpe:2.3:a:openeuler:mosquitto-devel:*:*:*:*:*:openeuler:*:*
- cpe:2.3:a:openeuler:mosquitto:*:*:*:*:*:openeuler:*:*
https://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2023-1773
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
2) Resource exhaustion
EUVDB-ID: #VU83385
Risk: Medium
CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]
CVE-ID: CVE-2023-5632
CWE-ID:
CWE-400 - Resource exhaustion
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to application does not properly control consumption of internal resources. A remote attacker can trigger resource exhaustion by establishing a connection to the mosquitto server without sending data, cause the EPOLLOUT event to be added, which results excessive CPU consumption.
MitigationInstall updates from vendor's repository.
Vulnerable software versionsopenEuler: 22.03 LTS SP1
mosquitto-debuginfo: before 2.0.16-1
mosquitto-debugsource: before 2.0.16-1
mosquitto-devel: before 2.0.16-1
mosquitto: before 2.0.16-1
CPE2.3- cpe:2.3:o:openeuler:openeuler:22.03:LTS SP1:*:*:*:*:*:*
- cpe:2.3:a:openeuler:mosquitto-debuginfo:*:*:*:*:*:openeuler:*:*
- cpe:2.3:a:openeuler:mosquitto-debugsource:*:*:*:*:*:openeuler:*:*
- cpe:2.3:a:openeuler:mosquitto-devel:*:*:*:*:*:openeuler:*:*
- cpe:2.3:a:openeuler:mosquitto:*:*:*:*:*:openeuler:*:*
https://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2023-1773
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
