GNU binutils 2.28 opcodes/aarch64-dis.c aarch64_ext_ldst_reglist Binary File memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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6.3$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in GNU binutils 2.28. Affected by this issue is the function aarch64_ext_ldst_reglist of the file opcodes/aarch64-dis.c. Executing a manipulation as part of Binary File can lead to memory corruption. The identification of this vulnerability is CVE-2017-9756. The attack can only be executed locally. Furthermore, there is an exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability classified as critical was found in GNU binutils 2.28 (Programming Tool Software). This vulnerability affects the function aarch64_ext_ldst_reglist of the file opcodes/aarch64-dis.c. 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. CVE summarizes:

The aarch64_ext_ldst_reglist function in opcodes/aarch64-dis.c in GNU Binutils 2.28 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 06/14/2017. The weakness was shared 06/19/2017 by Alex as Bug 21595 as confirmed bug report (Bugzilla). The advisory is shared for download at sourceware.org. This vulnerability was named CVE-2017-9756 since 06/18/2017. 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 and also a public exploit are known.

A public exploit has been developed by Alexandre Adamski and been published immediately after the advisory. It is possible to download the exploit at github.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 5 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 105627 (GLSA-201801-01 : Binutils: Multiple vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Gentoo Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 171830 (OpenSUSE Security Update for binutils (openSUSE-SU-2018:3223-1)).

Upgrading eliminates this vulnerability. A possible mitigation has been published 8 months after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Exploit-DB (42204), Tenable (105627) and SecurityFocus (BID 99103†). The entries VDB-98344, VDB-98345, VDB-98370 and VDB-98371 are related to this item. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.3

VulDB Base Score: 5.3
VulDB Temp Score: 4.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VulDB Base Score: 🔍
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Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Author: Alexandre Adamski
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 105627
Nessus Name: GLSA-201801-01 : Binutils: Multiple vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
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Exploit Delay Time: 🔍

Timelineinfo

06/14/2017 🔍
06/18/2017 +4 days 🔍
06/19/2017 +1 days 🔍
06/19/2017 +0 days 🔍
06/19/2017 +0 days 🔍
06/19/2017 +0 days 🔍
06/19/2017 +0 days 🔍
06/19/2017 +0 days 🔍
01/07/2018 +202 days 🔍
01/08/2018 +1 days 🔍
12/04/2024 +2522 days 🔍

Sourcesinfo

Vendor: gnu.org

Advisory: Bug 21595
Researcher: Alexandre Adamski (Alex)
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2017-9756 (🔍)
GCVE (CVE): GCVE-0-2017-9756
GCVE (VulDB): GCVE-100-102664
SecurityFocus: 99103 - GNU Binutils 'opcodes/aarch64-dis.c' Remote Denial of Service Vulnerability

scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 06/19/2017 11:22
Updated: 12/04/2024 13:39
Changes: 06/19/2017 11:22 (80), 10/19/2019 17:08 (10), 12/29/2020 08:28 (2), 12/03/2024 12:30 (15), 12/04/2024 13:39 (2)
Complete: 🔍
Cache ID: 216::103

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