Description
ACE vulnerability in configuration file processing by QOS.CH logback-core up to and including version 1.5.24 in Java applications, allows an attacker to instantiate classes already present on the class path by compromising an existing logback configuration file. The instantiation of a potentially malicious Java class requires that said class is present on the user's class-path. In addition, the attacker must have write access to a configuration file. However, after successful instantiation, the instance is very likely to be discarded with no further ado.
CVSS breakdown
CVSS 4.0
Attack Vector
Local
Attack Complexity
High
Attack Requirements
Present
Privileges Required
High
User Interaction
None
Confidentiality (Vulnerable System)
Low
Integrity (Vulnerable System)
Low
Availability (Vulnerable System)
Low
Confidentiality (Subsequent System)
Low
Integrity (Subsequent System)
Low
Availability (Subsequent System)
Low
Scope
None
AU
None
RE
M
U
Green
Affected products
- QOS.CH Sarl / Logback-core0.9.20 – 1.5.24
- QOS.CH Sarl / Logback-core1.5.25 – 1.5.25