Anolis OS update for tomcat

Published: 2023-12-19 | Updated: 2025-03-28

Risk	Medium
Patch available	YES
Number of vulnerabilities	4
CVE-ID	CVE-2023-42794 CVE-2023-42795 CVE-2023-45648 CVE-2023-46589
CWE-ID	CWE-749 CWE-399 CWE-444
Exploitation vector	Network
Public exploit	N/A
Vulnerable software	Anolis OS Operating systems & Components / Operating system tomcat-webapps Operating systems & Components / Operating system package or component tomcat-servlet-4.0-api Operating systems & Components / Operating system package or component tomcat-lib Operating systems & Components / Operating system package or component tomcat-jsp-2.3-api Operating systems & Components / Operating system package or component tomcat-el-3.0-api Operating systems & Components / Operating system package or component tomcat-docs-webapp Operating systems & Components / Operating system package or component tomcat-doc Operating systems & Components / Operating system package or component tomcat-admin-webapps Operating systems & Components / Operating system package or component tomcat Operating systems & Components / Operating system package or component
Vendor	OpenAnolis

Security Bulletin

This security bulletin contains information about 4 vulnerabilities.

1) Exposed dangerous method or function

EUVDB-ID: #VU81803

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-2023-42794

CWE-ID: CWE-749 - Exposed Dangerous Method or Function

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to Tomcat's internal fork of a Commons FileUpload included an unreleased, in progress refactoring that exposed a potential denial of service on Windows. A remote attacker can perform a denial of service attack by uploading multiple files to the server that are not removed.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

Anolis OS: 23

tomcat-webapps: before 9.0.84-1

tomcat-servlet-4.0-api: before 9.0.84-1

tomcat-lib: before 9.0.84-1

tomcat-jsp-2.3-api: before 9.0.84-1

tomcat-el-3.0-api: before 9.0.84-1

tomcat-docs-webapp: before 9.0.84-1

tomcat-doc: before 9.0.84-1

tomcat-admin-webapps: before 9.0.84-1

tomcat: before 9.0.84-1

CPE2.3

External links

https://anas.openanolis.cn/errata/detail/ANSA-2023:0870

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 management error

EUVDB-ID: #VU81800

Risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2023-42795

CWE-ID: CWE-399 - Resource Management Errors

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain access to sensitive information.

The vulnerability exists due to improper management of internal resources within the application when recycling various internal objects. A remote attacker can force Tomcat to skip some parts of the recycling process leading to information leaking from the current request/response to the next.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

Anolis OS: 23

tomcat-webapps: before 9.0.84-1

tomcat-servlet-4.0-api: before 9.0.84-1

tomcat-lib: before 9.0.84-1

tomcat-jsp-2.3-api: before 9.0.84-1

tomcat-el-3.0-api: before 9.0.84-1

tomcat-docs-webapp: before 9.0.84-1

tomcat-doc: before 9.0.84-1

tomcat-admin-webapps: before 9.0.84-1

tomcat: before 9.0.84-1

CPE2.3

External links

https://anas.openanolis.cn/errata/detail/ANSA-2023:0870

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.

3) Inconsistent interpretation of HTTP requests

EUVDB-ID: #VU81799

Risk: Medium

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2023-45648

CWE-ID: CWE-444 - Inconsistent Interpretation of HTTP Requests ('HTTP Request Smuggling')

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform HTTP request smuggling attacks.

The vulnerability exists due to improper validation when parsing HTTP trailer headers. A remote attacker can send a specially crafted HTTP request to the server and smuggle arbitrary HTTP headers.

Successful exploitation of vulnerability may allow an attacker to poison HTTP cache and perform phishing attacks.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

Anolis OS: 23

tomcat-webapps: before 9.0.84-1

tomcat-servlet-4.0-api: before 9.0.84-1

tomcat-lib: before 9.0.84-1

tomcat-jsp-2.3-api: before 9.0.84-1

tomcat-el-3.0-api: before 9.0.84-1

tomcat-docs-webapp: before 9.0.84-1

tomcat-doc: before 9.0.84-1

tomcat-admin-webapps: before 9.0.84-1

tomcat: before 9.0.84-1

CPE2.3

External links

https://anas.openanolis.cn/errata/detail/ANSA-2023:0870

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.

4) Inconsistent interpretation of HTTP requests

EUVDB-ID: #VU83533

Risk: Medium

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2023-46589

CWE-ID: CWE-444 - Inconsistent Interpretation of HTTP Requests ('HTTP Request Smuggling')

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform HTTP request smuggling attacks.

The vulnerability exists due to improper validation of HTTP requests when parsing malformed trailer headers. A remote attacker can send a specially crafted HTTP request to the server and smuggle arbitrary HTTP headers.

Successful exploitation of vulnerability may allow an attacker to poison HTTP cache and perform phishing attacks.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

Anolis OS: 23

tomcat-webapps: before 9.0.84-1

tomcat-servlet-4.0-api: before 9.0.84-1

tomcat-lib: before 9.0.84-1

tomcat-jsp-2.3-api: before 9.0.84-1

tomcat-el-3.0-api: before 9.0.84-1

tomcat-docs-webapp: before 9.0.84-1

tomcat-doc: before 9.0.84-1

tomcat-admin-webapps: before 9.0.84-1

tomcat: before 9.0.84-1

CPE2.3

External links

https://anas.openanolis.cn/errata/detail/ANSA-2023:0870

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.