GNU binutils 2.28 libbfd bfd/versados.c versados_mkobject Binary File memory corruption

Summaryinfo

A vulnerability classified as critical has been found in GNU binutils 2.28. This impacts the function versados_mkobject of the file bfd/versados.c of the component libbfd. This manipulation as part of Binary File causes memory corruption. This vulnerability is handled as CVE-2017-9753. It is possible to launch the attack on the local host. There is not any exploit available.

Detailsinfo

A vulnerability was found in GNU binutils 2.28 (Programming Tool Software). It has been declared as critical. Affected by this vulnerability is the function versados_mkobject of the file bfd/versados.c of the component libbfd. The manipulation as part of a Binary File leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

The versados_mkobject function in bfd/versados.c in the Binary File Descriptor (BFD) library (aka libbfd), as distributed in GNU Binutils 2.28, does not initialize a certain data structure, which allows remote attackers to cause a denial of service (buffer overflow and application crash) or possibly have unspecified other impact via a crafted binary file, as demonstrated by mishandling of this file during "objdump -D" execution.

The bug was discovered 06/13/2017. The weakness was released 06/19/2017 by Alex as Bug 21591 as not defined bug report (Bugzilla). The advisory is shared at sourceware.org. This vulnerability is known as CVE-2017-9753 since 06/18/2017. The attack can be launched remotely. The exploitation doesn't need any form of authentication. It demands that the victim is doing some kind of user interaction. Technical details are known, but no exploit is available.

The vulnerability was handled as a non-public zero-day exploit for at least 6 days. During that time the estimated underground price was around $0-$5k.

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

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 99116†). Entry connected to this vulnerability is available at VDB-102662. 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

• 2.28

License

• open-source

Website

• Vendor: https://www.gnu.org/

CPE 2.3info

• 🔍

CPE 2.2info

• 🔍

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Entryinfo

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

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