CVE-2018-18628
Deserialization of Untrusted Data in Pippo
9.8
CRITICAL
CVSS 3.1
EPSS 4.2%
Description
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.
How to fix CVE-2018-18628
To remediate CVE-2018-18628, upgrade the affected package to a fixed version below.
- —upgrade to 1.12.0 or later
Is CVE-2018-18628 being exploited?
Low — EPSS is 4.2%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 1.12.0
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | CRITICAL9.8 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |