ANTLR4 vulnerabilities

A path traversal vulnerability was found in ANTLR4 up to version 4.13.2 in the getImportedVocabFile function of TokenVocabParser.java. The attack can be executed remotely and the exploit is publicly available.

A time-of-check time-of-use (TOCTOU) vulnerability has been found in ANTLR4 up to version 4.13.2 in the ObjectInputStream.readObject function of the GrammarDependencies.java file in the Maven Plugin component. The attack requires local access and is difficult to exploit, but an exploit has been published.

A vulnerability was found in ANTLR4 up to 4.13.2, affecting the GoTarget function in GoTarget.java. A local attacker can inject commands via the gofmt component, leading to unauthorized operations.

A vulnerability has been found in ANTLR4 up to version 4.13.2 in the grammar action block handler function within OutputFile.java. Input manipulation can lead to remote code injection. A public exploit is available for attacks.