GNU binutils 2.29.1 libbfd aoutx.h aout_get_external_symbols File Descriptor memory corruption

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7.4$0-$5k0.00

Summaryinfo

A vulnerability labeled as critical has been found in GNU binutils 2.29.1. The affected element is the function aout_get_external_symbols of the file aoutx.h of the component libbfd. The manipulation as part of File Descriptor results in memory corruption. This vulnerability is cataloged as CVE-2017-16827. The attack may be launched remotely. There is no exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability, which was classified as critical, was found in GNU binutils 2.29.1 (Programming Tool Software). Affected is the function aout_get_external_symbols of the file aoutx.h of the component libbfd. The manipulation as part of a File Descriptor leads to a memory corruption vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

The aout_get_external_symbols function in aoutx.h in the Binary File Descriptor (BFD) library (aka libbfd), as distributed in GNU Binutils 2.29.1, allows remote attackers to cause a denial of service (slurp_symtab invalid free and application crash) or possibly have unspecified other impact via a crafted ELF file.

The bug was discovered 11/17/2017. The weakness was shared 11/15/2017 as Bug 22306 as confirmed bug report (Bugzilla). The advisory is available at sourceware.org. This vulnerability is traded as CVE-2017-16827 since 11/15/2017. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Technical details are known, but there is no available exploit.

The vulnerability scanner Nessus provides a plugin with the ID 105320 (EulerOS 2.0 SP2 : binutils (EulerOS-SA-2017-1339)), 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. The commercial vulnerability scanner Qualys is able to test this issue with plugin 171641 (SUSE Enterprise Linux Security Update for binutils (SUSE-SU-2018:3207-1)).

Upgrading eliminates this vulnerability. A possible mitigation has been published 4 weeks after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (105320) and SecurityFocus (BID 104021†). The entries VDB-98228, VDB-98229, VDB-98231 and VDB-98335 are related to this item. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.4

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

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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: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 105320
Nessus Name: EulerOS 2.0 SP2 : binutils (EulerOS-SA-2017-1339)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Patch: 0301ce1486b1450f219202677f30d0fa97335419

Timelineinfo

11/15/2017 🔍
11/15/2017 +0 days 🔍
11/15/2017 +0 days 🔍
11/16/2017 +1 days 🔍
11/17/2017 +1 days 🔍
12/13/2017 +26 days 🔍
12/18/2017 +5 days 🔍
04/29/2018 +132 days 🔍
01/10/2023 +1717 days 🔍

Sourcesinfo

Vendor: gnu.org

Advisory: Bug 22306
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2017-16827 (🔍)
GCVE (CVE): GCVE-0-2017-16827
GCVE (VulDB): GCVE-100-109434
SecurityFocus: 104021 - GNU Binutils CVE-2018-10535 Remote Denial of Service Vulnerability

See also: 🔍

Entryinfo

Created: 11/16/2017 10:45
Updated: 01/10/2023 14:07
Changes: 11/16/2017 10:45 (76), 12/06/2019 17:30 (9), 01/10/2023 14:07 (4)
Complete: 🔍
Cache ID: 216::103

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