GNU binutils 2.28 dump_section_as_bytes null pointer dereference

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4.7$0-$5k0.00

Summaryinfo

A vulnerability categorized as problematic has been discovered in GNU binutils 2.28. This issue affects the function dump_section_as_bytes. Executing a manipulation can lead to null pointer dereference. The identification of this vulnerability is CVE-2017-7209. The attack may be launched remotely. There is no exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic was found in GNU binutils 2.28 (Programming Tool Software). This vulnerability affects the function dump_section_as_bytes. The manipulation with an unknown input leads to a null pointer dereference vulnerability. The CWE definition for the vulnerability is CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. As an impact it is known to affect availability. CVE summarizes:

The dump_section_as_bytes function in readelf in GNU Binutils 2.28 accesses a NULL pointer while reading section contents in a corrupt binary, leading to a program crash.

The bug was discovered 03/21/2017. The weakness was shared 03/21/2017 as Bug 21135 as confirmed bug report (Bugzilla). The advisory is shared for download at sourceware.org. This vulnerability was named CVE-2017-7209 since 03/21/2017. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. There are known technical details, but no exploit is available.

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 171641 (SUSE Enterprise Linux Security Update for binutils (SUSE-SU-2018:3207-1)).

Upgrading eliminates this vulnerability. A possible mitigation has been published 11 months after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (105627) and SecurityFocus (BID 96994†). The entries VDB-98228, VDB-98229, VDB-98231 and VDB-98335 are related to this item. 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: 4.9
VulDB Meta Temp Score: 4.8

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
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: Null pointer dereference
CWE: CWE-476 / CWE-404
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: 105627
Nessus Name: GLSA-201801-01 : Binutils: Multiple vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

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Qualys Name: 🔍

Threat Intelligenceinfo

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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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Timelineinfo

02/13/2017 🔍
03/21/2017 +36 days 🔍
03/21/2017 +0 days 🔍
03/21/2017 +0 days 🔍
03/21/2017 +0 days 🔍
03/21/2017 +0 days 🔍
03/21/2017 +0 days 🔍
01/07/2018 +291 days 🔍
01/08/2018 +1 days 🔍

Sourcesinfo

Vendor: gnu.org

Advisory: Bug 21135
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2017-7209 (🔍)
GCVE (CVE): GCVE-0-2017-7209
GCVE (VulDB): GCVE-100-98344
SecurityFocus: 96994 - Binutils CVE-2017-7209 Remote Denial of Service Vulnerability
OSVDB: - CVE-2017-7209 - GNU - Binutils - Denial of Service Issue

See also: 🔍

Entryinfo

Created: 03/21/2017 17:14
Changes: 03/21/2017 17:14 (83)
Complete: 🔍
Cache ID: 216:CC5:103

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