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GHSA-227w-wv4j-67h4

HighCVSS 8.2 / 10
Published Feb 9, 2022·Last modified Feb 4, 2026
Affected Components(0)

No affected components available

Description

Impact

This affects all Artemis users who test Java assignments. Ares is not required. Students code that gets automatically tested can run arbitrary code in the container, or arbitrary code on the machine of an assessor in case of manual correction.

Patches

The problem cannot be resolved easily in Ares itself. Use the Maven Enforcer Plugin as follows:

<plugin>
    <groupId>org.apache.maven.plugins</groupId>
    <artifactId>maven-enforcer-plugin</artifactId>
    <version>3.0.0</version>
    <executions>
        <execution>
            <id>enforce-no-student-code-in-trusted-packages</id>
            <phase>process-classes</phase>
            <goals>
                <goal>enforce</goal>
            </goals>
        </execution>
    </executions>
    <configuration>
        <rules>
            <requireFilesDontExist>
                <files>
                    <!-- ADD HERE THE RULES ARES TELLS YOU ARE MISSING -->
                </files>
            </requireFilesDontExist>
        </rules>
    </configuration>
</plugin>

This fails the build if student classes reside in such packages that Ares trusts. Trusted packages added in Ares using @AddTrustedPackage should be added as well.

For more information

If you have any questions or comments about this advisory:

  • Open a discussion https://github.com/ls1intum/Ares/discussions
  • Open an issue in https://github.com/ls1intum/Ares/issues
  • Email us, see https://github.com/ls1intum/Ares/security/policy

References

See the assignment of Julius that passes the tests in TUM Artemis course: "Test - Praktikum: Grundlagen der Programmierung (Testkurs für Tutoren) - Security Tests" (if that still exists in 2022).

Also see #15 for almost the same problem.

Risk Scores
Base Score
8.2

The vulnerability requires local access to the device to be exploited. It is easy for an attacker to exploit this vulnerability. An attacker needs basic access or low-level privileges. The attacker needs the user to perform some action, like clicking a link. The vulnerability can affect other systems as well, not just the initial system. There is a high impact on the confidentiality of the information. There is a high impact on the integrity of the data. There is a high impact on the availability of the system.

Threat Intelligence
7.5

Exploitation activity has been observed. Apply available patches or mitigations urgently.

EPSS
0.35%

The exploit probability is very low. The vulnerability is unlikely to be exploited in the next 30 days.

Exploit
Not available

We did not find any exploit available. Neither in GitHub repositories nor in the Exploit-Database.

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