GNU binutils 2.29 libbfd dwarf1.c parse_die memory corruption

Summaryinfo

A vulnerability classified as critical was found in GNU binutils 2.29. This vulnerability affects the function parse_die of the file dwarf1.c of the component libbfd. Executing a manipulation can lead to memory corruption. This vulnerability is handled as CVE-2017-15020. It is possible to launch the attack on the local host. There is not any exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability classified as critical was found in GNU binutils 2.29 (Programming Tool Software). This vulnerability affects the function parse_die of the file dwarf1.c of the component libbfd. The manipulation with an unknown input 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. CVE summarizes:

dwarf1.c in the Binary File Descriptor (BFD) library (aka libbfd), as distributed in GNU Binutils 2.29, mishandles pointers, which allows remote attackers to cause a denial of service (application crash) or possibly have unspecified other impact via a crafted ELF file, related to parse_die and parse_line_table, as demonstrated by a parse_die heap-based buffer over-read.

The bug was discovered 10/04/2017. The weakness was released 10/05/2017 (Website). The advisory is available at blogs.gentoo.org. This vulnerability was named CVE-2017-15020 since 10/04/2017. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. Technical details are known, but there is no available exploit.

The vulnerability scanner Nessus provides a plugin with the ID 104331 (EulerOS 2.0 SP1 : binutils (EulerOS-SA-2017-1278)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Huawei Local Security Checks and running in the context l.

Upgrading eliminates this vulnerability. Applying the patch 1da5c9a485f3dcac4c45e96ef4b7dae5948314b5 is able to eliminate this problem. The best possible mitigation is suggested to be upgrading to the latest version. A possible mitigation has been published 4 weeks after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (104331). Entry connected to this vulnerability is available at VDB-106436. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

• Programming Tool Software

Vendor

• GNU

Name

• binutils

Version

• 2.29

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 best quality of vulnerability data, you may have to visit VulDB.

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