GNU binutils 2.31 GNU libiberty cp-demangle.c next_is_type_qual ELF File resource consumption

Summaryinfo

A vulnerability was found in GNU binutils 2.31. It has been rated as problematic. Impacted is the function next_is_type_qual of the file cp-demangle.c of the component GNU libiberty. Performing a manipulation as part of ELF File results in resource consumption. This vulnerability is identified as CVE-2018-18701. The attack is only possible with local access. There is not any exploit available.

Detailsinfo

A vulnerability, which was classified as problematic, was found in GNU binutils 2.31 (Programming Tool Software). This affects the function next_is_type_qual of the file cp-demangle.c of the component GNU libiberty. The manipulation as part of a ELF File leads to a resource consumption vulnerability. CWE is classifying the issue as CWE-400. The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources. This is going to have an impact on availability. The summary by CVE is:

An issue was discovered in cp-demangle.c in GNU libiberty, as distributed in GNU Binutils 2.31. There is a stack consumption vulnerability resulting from infinite recursion in the functions next_is_type_qual() and cplus_demangle_type() in cp-demangle.c. Remote attackers could leverage this vulnerability to cause a denial-of-service via an ELF file, as demonstrated by nm.

The bug was discovered 10/29/2018. The weakness was released 10/28/2018 (Website). The advisory is shared at gcc.gnu.org. This vulnerability is uniquely identified as CVE-2018-18701 since 10/27/2018. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. It demands that the victim is doing some kind of user interaction. Technical details are known, but no exploit is available.

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 VDB-126020. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

• Programming Tool Software

Vendor

• GNU

Name

• binutils

Version

• 2.31

License

• open-source

Website

• Vendor: https://www.gnu.org/

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• 🔍

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If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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