GNU binutils 2.28 readelf memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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6.2$0-$5k0.00

Summaryinfo

A vulnerability was found in GNU binutils 2.28 and classified as critical. This impacts the function readelf. Such manipulation leads to memory corruption. This vulnerability is listed as CVE-2017-6965. The attack may be performed from remote. There is no available exploit. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, has been found in GNU binutils 2.28 (Programming Tool Software). Affected by this issue is the function readelf. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality, integrity, and availability. CVE summarizes:

readelf in GNU Binutils 2.28 writes to illegal addresses while processing corrupt input files containing symbol-difference relocations, leading to a heap-based buffer overflow.

The bug was discovered 03/17/2017. The weakness was presented 03/17/2017 as Bug 21137 as confirmed bug report (Bugzilla). The advisory is shared for download at sourceware.org. This vulnerability is handled as CVE-2017-6965 since 03/17/2017. The attack may be launched remotely. No form of authentication is required for exploitation. There are known technical details, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 117727 (EulerOS 2.0 SP2 : binutils (EulerOS-SA-2018-1283)), 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 2 years after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (117727) and SecurityFocus (BID 104021†). See VDB-98229, VDB-98231, VDB-98335 and VDB-98344 for similar entries. Once again VulDB remains the best source for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
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CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.3

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

NVD Base Score: 5.5
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CVSSv2info

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Exploitinginfo

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

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined

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EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 117727
Nessus Name: EulerOS 2.0 SP2 : binutils (EulerOS-SA-2018-1283)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
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Qualys ID: 🔍
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Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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Timelineinfo

03/17/2017 🔍
03/17/2017 +0 days 🔍
03/17/2017 +0 days 🔍
03/17/2017 +0 days 🔍
03/17/2017 +0 days 🔍
03/17/2017 +0 days 🔍
04/29/2018 +407 days 🔍
09/04/2018 +128 days 🔍
09/27/2018 +23 days 🔍

Sourcesinfo

Vendor: gnu.org

Advisory: Bug 21137
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2017-6965 (🔍)
GCVE (CVE): GCVE-0-2017-6965
GCVE (VulDB): GCVE-100-98228
SecurityFocus: 104021 - GNU Binutils CVE-2018-10535 Remote Denial of Service Vulnerability
OSVDB: - CVE-2017-6965 - Binutils - Buffer Overflow Issue

See also: 🔍

Entryinfo

Created: 03/17/2017 13:08
Changes: 03/17/2017 13:08 (82)
Complete: 🔍
Cache ID: 216:2B4:103

Once again VulDB remains the best source for vulnerability data.

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