Pippo 1.11.0 Cookie SerializationSessionDataTranscoder.decode PIPPO_SESSION deserialization

Summaryinfo

A vulnerability labeled as critical has been found in Pippo 1.11.0. The affected element is the function SerializationSessionDataTranscoder.decode of the component Cookie Handler. Such manipulation of the argument PIPPO_SESSION leads to deserialization. This vulnerability is uniquely identified as CVE-2018-18628. The attack can be launched remotely. No exploit exists.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Pippo 1.11.0. Affected by this issue is the function SerializationSessionDataTranscoder.decode of the component Cookie Handler. The manipulation of the argument PIPPO_SESSION with an unknown input leads to a deserialization vulnerability. Using CWE to declare the problem leads to CWE-502. The product deserializes untrusted data without sufficiently verifying that the resulting data will be valid. Impacted is confidentiality, integrity, and availability. CVE summarizes:

An issue was discovered in Pippo 1.11.0. The function SerializationSessionDataTranscoder.decode() calls ObjectInputStream.readObject() to deserialize a SessionData object without checking the object types. An attacker can create a malicious object, base64 encode it, and place it in the PIPPO_SESSION field of a cookie. Sending this cookie may lead to remote code execution.

The bug was discovered 09/30/2018. The weakness was disclosed 10/23/2018 (Website). The advisory is shared for download at github.com. This vulnerability is handled as CVE-2018-18628 since 10/23/2018. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. There are known technical details, but no exploit is available.

The vulnerability was handled as a non-public zero-day exploit for at least 23 days. During that time the estimated underground price was around $0-$5k.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Name

• Pippo

Version

• 1.11.0

CPE 2.3info

• 🔍

CPE 2.2info

• 🔍

CVSSv4info

CVSSv3info

CVSSv2info

Exploitinginfo

Threat Intelligenceinfo

Countermeasuresinfo

Timelineinfo

Sourcesinfo

Entryinfo

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Discussion