#VU85324 Out-of-bounds write in jackson-dataformats-text - CVE-2023-3894

Vulnerability identifier: #VU85324

Vulnerability risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2023-3894

CWE-ID: CWE-787

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
jackson-dataformats-text
Other software / Other software solutions

Vendor: FasterXML

Description

The vulnerability allows a remote attacker to perform a denial of service attack.

The vulnerability occurs when parser is running on user supplied input. A remote attacker can supply content that causes the parser to crash by StackOverflow causing a denial of service.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

jackson-dataformats-text: 2.9.0 - 2.14.3

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External links
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=50083
https://github.com/FasterXML/jackson-dataformats-text/pull/398
https://github.com/FasterXML/jackson-dataformats-text/blob/2.16/release-notes/VERSION-2.x

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.