SB2022121215 - Multiple vulnerabilities in Netty

Description

This security bulletin contains information about 2 secuirty vulnerabilities.

1) HTTP response splitting (CVE-ID: CVE-2022-41915)

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.

2) Infinite loop (CVE-ID: CVE-2022-41881)

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.

Remediation

Install update from vendor's website.

References

• https://github.com/netty/netty/security/advisories/GHSA-hh82-3pmq-7frp
• https://github.com/netty/netty/security/advisories/GHSA-fx2c-96vj-985v