openEuler update for tomcat
| Risk | Medium |
| Patch available | YES |
| Number of vulnerabilities | 2 |
| CVE-ID | CVE-2025-31650 CVE-2025-31651 |
| CWE-ID | CWE-388 CWE-20 |
| Exploitation vector | Network |
| Public exploit |
Public exploit code for vulnerability #1 is available. Public exploit code for vulnerability #2 is available. |
| Vulnerable software |
openEuler Operating systems & Components / Operating system tomcat-jsvc Operating systems & Components / Operating system package or component tomcat-help Operating systems & Components / Operating system package or component tomcat Operating systems & Components / Operating system package or component |
| Vendor | openEuler |
Security Bulletin
This security bulletin contains information about 2 vulnerabilities.
1) Improper error handling
EUVDB-ID: #VU107996
Risk: Medium
CVSSv4.0: 7.7 [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:P/U:Green]
CVE-ID: CVE-2025-31650
CWE-ID:
CWE-388 - Error Handling
Exploit availability: Yes
DescriptionThe vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient error handling for certain invalid HTTP priority headers. A remote attacker can send a large amount of specially crafted HTTP requests to the server and consume all available memory, resulting in a denial of service condition.
MitigationInstall updates from vendor's repository.
Vulnerable software versionsopenEuler: 20.03 LTS SP4 - 24.03 LTS SP1
tomcat-jsvc: before 9.0.100-2
tomcat-help: before 9.0.100-2
tomcat: before 9.0.100-2
CPE2.3- cpe:2.3:o:openeuler:openeuler:20.03:LTS SP4:*:*:*:*:*:*
- cpe:2.3:o:openeuler:openeuler:22.03:LTS SP3:*:*:*:*:*:*
- cpe:2.3:o:openeuler:openeuler:22.03:LTS SP4:*:*:*:*:*:*
- cpe:2.3:a:openeuler:tomcat-jsvc:*:*:*:*:*:openeuler:*:*
- cpe:2.3:a:openeuler:tomcat-help:*:*:*:*:*:openeuler:*:*
- cpe:2.3:a:openeuler:tomcat:*:*:*:*:*:openeuler:*:*
https://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2025-1484
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. However, proof of concept for this vulnerability is available.
2) Input validation error
EUVDB-ID: #VU107995
Risk: Medium
CVSSv4.0: 5.5 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:P/U:Green]
CVE-ID: CVE-2025-31651
CWE-ID:
CWE-20 - Improper input validation
Exploit availability: Yes
DescriptionThe vulnerability allows a remote attacker to bypass rewrite rules.
The vulnerability exists due to insufficient validation of user-supplied input. A remote attacker can send a specially crafted input to the application and bypass configured rewrite rules.
Install updates from vendor's repository.
Vulnerable software versionsopenEuler: 20.03 LTS SP4 - 24.03 LTS SP1
tomcat-jsvc: before 9.0.100-2
tomcat-help: before 9.0.100-2
tomcat: before 9.0.100-2
CPE2.3- cpe:2.3:o:openeuler:openeuler:20.03:LTS SP4:*:*:*:*:*:*
- cpe:2.3:o:openeuler:openeuler:22.03:LTS SP3:*:*:*:*:*:*
- cpe:2.3:o:openeuler:openeuler:22.03:LTS SP4:*:*:*:*:*:*
- cpe:2.3:a:openeuler:tomcat-jsvc:*:*:*:*:*:openeuler:*:*
- cpe:2.3:a:openeuler:tomcat-help:*:*:*:*:*:openeuler:*:*
- cpe:2.3:a:openeuler:tomcat:*:*:*:*:*:openeuler:*:*
https://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2025-1484
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. However, proof of concept for this vulnerability is available.
