A vulnerability classified as critical has been found in Red Hat JBoss (Application Server Software) (version unknown). Affected is an unknown function in the library Libxml2 of the component Core Services. The manipulation as part of a XML Document leads to a out-of-bounds vulnerability. CWE is classifying the issue as CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

libxml2, as used in Red Hat JBoss Core Services, allows context-dependent attackers to cause a denial of service (out-of-bounds read and application crash) via a crafted XML document. NOTE: this vulnerability exists because of a missing fix for CVE-2016-4483.

The bug was discovered 12/12/2016. The weakness was released 08/16/2018 as Bug 1408306 as not defined bug report (Bugzilla). The advisory is shared for download at bugzilla.redhat.com. This vulnerability is traded as CVE-2016-9598 since 11/22/2016. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Successful exploitation requires user interaction by the victim. There are known technical details, but no exploit is available. The current price for an exploit might be approx. USD $5k-$25k (estimation calculated on 03/16/2020).

The vulnerability was handled as a non-public zero-day exploit for at least 612 days. During that time the estimated underground price was around $5k-$25k.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Entry connected to this vulnerability is available at 122975.

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Type

• Application Server Software

Vendor

• Red Hat

Name

• JBoss

License

• open-source

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