GNU binutils 2.28 MSP430 Binary readelf use after free

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. It has been classified as critical. Affected is the function readelf of the component MSP430 Binary Handler. Performing a manipulation results in use after free. This vulnerability is cataloged as CVE-2017-6966. It is possible to initiate the attack remotely. There is no exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability, which was classified as critical, was found in GNU binutils 2.28 (Programming Tool Software). This affects the function readelf of the component MSP430 Binary Handler. The manipulation with an unknown input leads to a use after free vulnerability. CWE is classifying the issue as CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

readelf in GNU Binutils 2.28 has a use-after-free (specifically read-after-free) error while processing multiple, relocated sections in an MSP430 binary. This is caused by mishandling of an invalid symbol index, and mishandling of state across invocations.

The bug was discovered 03/17/2017. The weakness was shared 03/17/2017 as Bug 21139 as confirmed bug report (Bugzilla). The advisory is shared at sourceware.org. This vulnerability is uniquely identified as CVE-2017-6966 since 03/17/2017. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details are known, 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†). The entries VDB-98228, VDB-98231, VDB-98335 and VDB-98344 are related to this item. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

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
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Use after free
CWE: CWE-416 / 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: 117727
Nessus Name: EulerOS 2.0 SP2 : binutils (EulerOS-SA-2018-1283)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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0-Day Time: 🔍
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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 21139
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2017-6966 (🔍)
GCVE (CVE): GCVE-0-2017-6966
GCVE (VulDB): GCVE-100-98229
SecurityFocus: 104021 - GNU Binutils CVE-2018-10535 Remote Denial of Service Vulnerability
OSVDB: - CVE-2017-6966 - Binutils - Use-After-Free Issue

See also: 🔍

Entryinfo

Created: 03/17/2017 13:08
Changes: 03/17/2017 13:08 (84)
Complete: 🔍
Cache ID: 216:01E:103

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