CVE-2023-21968: Low severity Oracle GraalVM vulnerability

Published Apr 18, 2023
·
Updated

It was discovered that the UnixUriUtils class in the Libraries component of OpenJDK failed to sanitize strings containing slash characters when converting URIs to file system paths. An untrusted Java application or applet could use this flaw to bypass certain Java sandbox restrictions by creating Path objects with invalid paths.

Other sources

Vulnerability in the Oracle Java SE, Oracle GraalVM Enterprise Edition product of Oracle Java SE (component: Libraries). Supported versions that are affected are Oracle Java SE: 8u361, 8u361-perf, 11.0.18, 17.0.6, 20; Oracle GraalVM Enterprise Edition: 20.3.9, 21.3.5 and 22.3.1. Difficult to exploit vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise Oracle Java SE, Oracle GraalVM Enterprise Edition. Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of Oracle Java SE, Oracle GraalVM Enterprise Edition accessible data. Note: This vulnerability applies to Java deployments, typically in clients running sandboxed Java Web Start applications or sandboxed Java applets, that load and run untrusted code (e.g., code that comes from the internet) and rely on the Java sandbox for security. This vulnerability can also be exploited by using APIs in the specified Component, e.g., through a web service which supplies data to the APIs. CVSS 3.1 Base Score 3.7 (Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N).

Affected Software

96 affected componentsFixes available
debian/openjdk-11<=11.0.16+8-1~deb10u1
11.0.21+9-1~deb10u111.0.20+8-1~deb11u111.0.21+9-1~deb11u111.0.22~6ea-1
debian/openjdk-17
17.0.7+7-1~deb11u117.0.9+9-1~deb11u117.0.9+9-1~deb12u117.0.10~6ea-1
debian/openjdk-20
20.0.2+9-1
debian/openjdk-8
8u392-ga-1
Oracle GraalVM=20.3.9
Oracle GraalVM=21.3.5
Oracle GraalVM=22.3.1
Oracle JDK=1.8.0-update361
Oracle JDK=11.0.18
Oracle JDK=17.0.6
Oracle JDK=20
Oracle JRE=1.8.0-update361
Oracle JRE=11.0.18
Oracle JRE=17.0.6
Oracle JRE=20
NetApp 7-Mode Transition Tool
NetApp Brocade San Navigator
NetApp Cloud Insights Acquisition Unit
NetApp Cloud Insights Storage Workload Security Agent
NetApp OnCommand Insight
Oracle OpenJDK>=11<=11.0.18
Oracle OpenJDK>=17<=17.0.6
Oracle OpenJDK=8
Oracle OpenJDK=8-milestone1
Oracle OpenJDK=8-milestone2
Oracle OpenJDK=8-milestone3
Oracle OpenJDK=8-milestone4
Oracle OpenJDK=8-milestone5
Oracle OpenJDK=8-milestone6
Oracle OpenJDK=8-milestone7
Oracle OpenJDK=8-milestone8
Oracle OpenJDK=8-milestone9
Oracle OpenJDK=8-update101
Oracle OpenJDK=8-update102
Oracle OpenJDK=8-update11
Oracle OpenJDK=8-update111
Oracle OpenJDK=8-update112
Oracle OpenJDK=8-update121
Oracle OpenJDK=8-update131
Oracle OpenJDK=8-update141
Oracle OpenJDK=8-update151
Oracle OpenJDK=8-update152
Oracle OpenJDK=8-update161
Oracle OpenJDK=8-update162
Oracle OpenJDK=8-update171
Oracle OpenJDK=8-update172
Oracle OpenJDK=8-update181
Oracle OpenJDK=8-update191
Oracle OpenJDK=8-update192
Oracle OpenJDK=8-update20
Oracle OpenJDK=8-update201
Oracle OpenJDK=8-update202
Oracle OpenJDK=8-update211
Oracle OpenJDK=8-update212
Oracle OpenJDK=8-update221
Oracle OpenJDK=8-update222
Oracle OpenJDK=8-update231
Oracle OpenJDK=8-update232
Oracle OpenJDK=8-update241
Oracle OpenJDK=8-update242
Oracle OpenJDK=8-update25
Oracle OpenJDK=8-update252
Oracle OpenJDK=8-update262
Oracle OpenJDK=8-update271
Oracle OpenJDK=8-update281
Oracle OpenJDK=8-update282
Oracle OpenJDK=8-update291
Oracle OpenJDK=8-update301
Oracle OpenJDK=8-update302
Oracle OpenJDK=8-update31
Oracle OpenJDK=8-update312
Oracle OpenJDK=8-update322
Oracle OpenJDK=8-update332
Oracle OpenJDK=8-update342
Oracle OpenJDK=8-update352
Oracle OpenJDK=8-update362
Oracle OpenJDK=8-update40
Oracle OpenJDK=8-update45
Oracle OpenJDK=8-update5
Oracle OpenJDK=8-update51
Oracle OpenJDK=8-update60
Oracle OpenJDK=8-update65
Oracle OpenJDK=8-update66
Oracle OpenJDK=8-update71
Oracle OpenJDK=8-update72
Oracle OpenJDK=8-update73
Oracle OpenJDK=8-update74
Oracle OpenJDK=8-update77
Oracle OpenJDK=8-update91
Oracle OpenJDK=8-update92
Oracle OpenJDK=20
Debian Debian Linux=10.0
Debian Debian Linux=11.0
Debian Debian Linux=12.0
Oracle OpenJDK<8
IBM DB2 Recovery Expert for LUW<=5.5 IF 2

Event History

Apr 18, 2023
Data Sourced
via Red Hat·05:21 PM
DescriptionSeverityAffected Software
CVE Published
via MITRE·07:54 PM
Data Sourced
via MITRE·07:54 PM
DescriptionSeverity
Data Sourced
via NVD·08:15 PM
DescriptionSeverityWeaknessAffected Software
Feb 5, 2026
Data Sourced
via IBM·12:00 AM
DescriptionSeverityAffected Software

Parent advisories

This vulnerability appears in the following advisories.

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Frequently Asked Questions

1

What is the severity of CVE-2023-21968?

CVE-2023-21968 has a low integrity impact severity level.

2

How do I fix CVE-2023-21968?

To remediate CVE-2023-21968, update to the latest patched versions of Oracle Java SE or GraalVM depending on your deployment.

3

Which versions of Oracle Java are affected by CVE-2023-21968?

CVE-2023-21968 affects multiple versions of Oracle Java SE and GraalVM, including early versions of OpenJDK and GraalVM prior to their updates.

4

Can unprivileged users exploit CVE-2023-21968?

Yes, CVE-2023-21968 can potentially be exploited by unauthenticated attackers.

5

Is there a known exploit for CVE-2023-21968?

Currently, there are no known public exploits for CVE-2023-21968.

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