Debian update for tomcat9

1) Inconsistent interpretation of HTTP requests

EUVDB-ID: #VU68859

Risk: Medium

CVSSv3.1: 5.3 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-42252

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. A remote attacker can send a specially crafted HTTP request to the server and smuggle arbitrary HTTP headers via an invalid Content-Length header.

Successful exploitation of vulnerability may allow an attacker to poison HTTP cache and perform phishing attacks but requires Tomcat to be configured to ignore invalid HTTP headers via setting rejectIllegalHeader to false (not the default configuration).

Mitigation

Update tomcat9 package to version 9.0.43-2~deb11u6.

Vulnerable software versions

Debian Linux: All versions

tomcat9 (Debian package): before 9.0.43-2~deb11u6

External links

http://www.debian.org/security/2023/dsa-5381

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) Code Injection

EUVDB-ID: #VU70666

Risk: Medium

CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-45143

CWE-ID: CWE-94 - Improper Control of Generation of Code ('Code Injection')

Exploit availability: No

Description

The vulnerability allows a remote attacker to manipulate server output.

The vulnerability exists due to improper input validation within the JsonErrorReportValve when handling type, message or description values. A remote attacker can send a specially crafted request and manipulate or invalidate JSON output.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation

Update tomcat9 package to version 9.0.43-2~deb11u6.

Vulnerable software versions

Debian Linux: All versions

tomcat9 (Debian package): before 9.0.43-2~deb11u6

External links

http://www.debian.org/security/2023/dsa-5381

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) Sensitive cookie in HTTPS session without Secure attribute

EUVDB-ID: #VU73957

Risk: Low

CVSSv3.1: 3.7 [CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-28708

CWE-ID: CWE-614 - Sensitive Cookie in HTTPS Session Without 'Secure' Attribute

Exploit availability: No

Description

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

The vulnerability exists due to Apache Tomcat does not set the "Secure" attribute for the JSESSIONID session cookie when using the RemoteIpFilter with requests received from a reverse proxy via HTTP that include the X-Forwarded-Proto header set to https. A remote attacker can force the application to transmit cookie via an insecure channel and intercept it.

Mitigation

Update tomcat9 package to version 9.0.43-2~deb11u6.

Vulnerable software versions

Debian Linux: All versions

tomcat9 (Debian package): before 9.0.43-2~deb11u6

External links

http://www.debian.org/security/2023/dsa-5381

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.