CVE-2023-34623 Denial of service in n/a
Attackers can cause denial of service in jTidy via crafted objects with cyclic dependencies, affecting Java applications using this library.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2023-34623?
CVE-2023-34623 is a high-severity denial of service vulnerability in n/a, published on 14 Jun 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
An issue was discovered jtidy thru r938 allows attackers to cause a denial of service or other unspecified impacts via crafted object that uses cyclic dependencies.
Weakness: CWE-787
Which versions are affected by CVE-2023-34623?
It affects 1 product.
Linux distribution packages (10)
jtidy SUSE:Linux Enterprise High Performance Computing 15 SP1-LTSS | All versions | 8.0-150000.4.3.1 |
jtidy SUSE:Linux Enterprise Module for Development Tools 15 SP4 | All versions | 8.0-150200.11.7.1 |
jtidy SUSE:Linux Enterprise Module for Development Tools 15 SP5 | All versions | 8.0-150200.11.7.1 |
jtidy SUSE:Linux Enterprise Real Time 15 SP3 | All versions | 8.0-150200.11.7.1 |
jtidy SUSE:Linux Enterprise Server 15 SP1-LTSS | All versions | 8.0-150000.4.3.1 |
jtidy SUSE:Linux Enterprise Server for SAP Applications 15 SP1 | All versions | 8.0-150000.4.3.1 |
jtidy SUSE:Linux Enterprise Software Development Kit 12 SP5 | All versions | 8.0-27.3.1 |
jtidy openSUSE:Leap 15.4 | All versions | 8.0-150200.11.7.1 |
jtidy openSUSE:Leap 15.5 | All versions | 8.0-150200.11.7.1 |
jtidy openSUSE:Tumbleweed | All versions | 1.0.4-1.1 |
Products include Jtidy Project Jtidy.
How do I fix CVE-2023-34623?
Apply the vendor's patch.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2023-34623 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-34623 exists.
Sources
Also known as DEBIAN-CVE-2023-34623, GHSA-fv2r-hw24-8rxj, OESA-2026-1657, SUSE-SU-2023:3016-1, SUSE-SU-2023:3164-1, SUSE-SU-2023:3165-1 and 2 more.