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Vital Apache Commons Textual content Flaw In comparison with Log4Shell, However Not as Widespread

By Eduard Kovacs on October 18, 2022

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A essential safety gap affecting Apache Commons Textual content has been in comparison with the infamous Log4Shell vulnerability, however consultants say it’s not as widespread.

Apache Commons Textual content is an open supply Java library designed for working with strings. Alvaro Munoz, a researcher at GitHub’s Safety Lab, found in March that the library is affected by an arbitrary code execution vulnerability associated to untrusted information processing and variable interpolation.

The flaw, tracked as CVE-2022-42889, was patched by Apache Commons builders final week with the discharge of model 1.10.0.

Apache Commons Textual content is utilized by many builders and organizations, and a few have rushed to explain CVE-2022-42889 as the following Log4Shell vulnerability. Log4Shell impacts the broadly used Log4j Java logging framework and it has been exploited in lots of assaults since its disclosure practically one 12 months in the past.

CVE-2022-42889 has been named Text4Shell and Act4Shell because of its similarity to Log4Shell, however many imagine that whereas the vulnerability may very well be harmful, it presently doesn’t deserve a reputation and brand.

Rapid7 researchers have analyzed the vulnerability and decided that it shouldn’t be in comparison with Log4Shell.

“The character of the vulnerability signifies that in contrast to Log4Shell, it is going to be uncommon that an utility makes use of the weak part of Commons Textual content to course of untrusted, probably malicious enter,” they defined.

As well as, they examined it in opposition to varied variations of JDK and their proof-of-concept (PoC) exploit solely labored with out warnings in opposition to variations 9.0.4, 10.0.2 and 1.8.0_341.

Sophos mentioned the vulnerability is harmful and described it as ‘like Log4Shell over again’, however the firm admitted that, in the intervening time, exploiting it on weak servers just isn’t as simple as within the case of the Log4j bug. Others have reached the identical conclusion.

Researcher Sean Wright additionally believes CVE-2022-42889 just isn’t like Log4Shell, declaring that Commons Textual content just isn’t as broadly used as Log4j.

Munoz himself additionally clarified that whatever the similarities to Log4Shell, the brand new vulnerability is probably going far much less prevalent.

Whereas CVE-2022-42889 will seemingly not find yourself being exploited on the scale of Log4Shell, organizations are nonetheless suggested to deal with the vulnerability, significantly since PoC code is publicly obtainable. Sophos has shared some suggestions for probably impacted organizations.

Associated: Lately Patched Apache HTTP Server Vulnerability Exploited in Assaults

Associated: Excessive-Severity Vulnerability Present in Apache Database System Utilized by Main Companies

Associated: Over 100,000 Apache HTTP Servers Affected by Actively Exploited Zero-Day Flaw

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