Denial of Service Vulnerability in libjettison-java: Out of Memory Attack Risk
Summary
DEBIAN-CVE-2022-40150: Those using Jettison to parse untrusted XML or JSON data may be vulnerable to Denial of Service attacks (DOS). Affects libjettison-java versions < 1.5.3-1~deb11u1. Fixed in 1.5.3-1~deb11u1. How to fix ↓
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Background
libjettison-java is a Java library used for parsing JSON and XML data. It is designed to facilitate the conversion of JSON data into Java objects and vice versa. The library is widely utilized in applications that require data interchange between systems. However, its handling of untrusted input makes it susceptible to vulnerabilities, particularly when parsing data from unknown sources.
Vulnerability Detail
The vulnerability identified as DEBIAN-CVE-2022-40150 allows attackers to exploit the libjettison-java library by supplying maliciously crafted XML or JSON data. This can lead to Denial of Service (DoS) attacks, where the parser may crash due to excessive memory consumption, resulting in application downtime. The vulnerability arises from inadequate handling of memory allocation during the parsing process, making it critical for users to ensure they are using a patched version of the library.
How To Fix
Minimum fixed version
1.5.3-1~deb11u1
This is the first release that contains the fix.
sudo apt-get install --only-upgrade libjettison-javaTip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Workaround
As a temporary workaround, users should avoid parsing untrusted XML or JSON data until the library is updated. Implementing input validation and sanitization can also help mitigate the risk of DoS attacks.
Conclusion
The vulnerability in libjettison-java poses a significant risk of Denial of Service attacks through memory exhaustion. Users are strongly advised to update to the patched versions to safeguard their applications. Additionally, employing input validation can help mitigate potential threats until updates are applied.
See every vulnerability recorded for libjettison-java →
FAQ
The vulnerability allows for Denial of Service attacks due to excessive memory consumption when parsing untrusted XML or JSON data.
You can use the Vulert playground at Vulert Scanner to check if your application is affected without requiring any signup.
Failure to address this vulnerability may lead to application crashes and downtime, impacting user experience and system reliability.
Yes, you should upgrade to version 1.5.3-1~deb11u1 for Debian 11, or 1.5.3-1 for Debian 12, 13, and 14.
If immediate updates are not possible, avoid parsing untrusted data and implement input validation to reduce the risk of exploitation.
References
Related vulnerabilities
Recent vulnerabilities recorded for libjettison-java.
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