Debian update for netty

1) Resource exhaustion

EUVDB-ID: #VU63127

Risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-37136

CWE-ID: CWE-400 - Resource exhaustion

Exploit availability: No

Description

The 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 in Bzip2 decompression decoder function. A remote attacker can trigger resource exhaustion and perform a denial of service (DoS) attack.

Mitigation

Update netty package to version 1:4.1.48-4+deb11u1.

Vulnerable software versions

Debian Linux: All versions

netty (Debian package): before 1:4.1.48-4+deb11u1

External links

http://www.debian.org/security/2023/dsa-5316

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) Improper input validation

EUVDB-ID: #VU59924

Risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-37137

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

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

The vulnerability exists due to improper input validation within the Content Acquisition System (Netty) component in Oracle Commerce Guided Search. A remote non-authenticated attacker can exploit this vulnerability to perform a denial of service (DoS) attack.

Mitigation

Update netty package to version 1:4.1.48-4+deb11u1.

Vulnerable software versions

Debian Linux: All versions

netty (Debian package): before 1:4.1.48-4+deb11u1

External links

http://www.debian.org/security/2023/dsa-5316

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: #VU61810

Risk: Medium

CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-43797

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

Exploit availability: No

Description

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

The vulnerability exists due to improper validation of HTTP requests when processing control chars present at the beginning / end of the header name. 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

Update netty package to version 1:4.1.48-4+deb11u1.

Vulnerable software versions

Debian Linux: All versions

netty (Debian package): before 1:4.1.48-4+deb11u1

External links

http://www.debian.org/security/2023/dsa-5316

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) Infinite loop

EUVDB-ID: #VU70118

Risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-41881

CWE-ID: CWE-835 - Loop with Unreachable Exit Condition ('Infinite Loop')

Exploit availability: No

Description

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

The vulnerability exists due to infinite loop within the HaProxyMessageDecoder when parsing a TLV with type of "PP2_TYPE_SSL". A remote attacker can pass a specially crafted message to consume all available system resources and cause denial of service conditions.

Mitigation

Update netty package to version 1:4.1.48-4+deb11u1.

Vulnerable software versions

Debian Linux: All versions

netty (Debian package): before 1:4.1.48-4+deb11u1

External links

http://www.debian.org/security/2023/dsa-5316

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.

5) HTTP response splitting

EUVDB-ID: #VU70119

Risk: Medium

CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-41915

CWE-ID: CWE-113 - Improper Neutralization of CRLF Sequences in HTTP Headers ('HTTP Response Splitting')

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform HTTP splitting attacks.

The vulnerability exists due to software does not validate header values when calling DefaultHttpHeaders.set with an iterator of values. A remote attacker can inject arbitrary header values and perform HTTP splitting attacks.

Successful exploitation of the vulnerability may allow an attacker perform cache poisoning attack.

Mitigation

Update netty package to version 1:4.1.48-4+deb11u1.

Vulnerable software versions

Debian Linux: All versions

netty (Debian package): before 1:4.1.48-4+deb11u1

External links

http://www.debian.org/security/2023/dsa-5316

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.