VDB-173131 · CVE-2021-3487 · GCVE-0-2021-3487

GNU Binutils up to 2.35 BFD Library memory allocation

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
3.4	$0-$5k	0.00

Summaryinfo

A vulnerability was found in GNU Binutils up to 2.35. It has been rated as problematic. This affects an unknown part of the component BFD Library. This manipulation causes memory allocation. This vulnerability is handled as CVE-2021-3487. There is not any exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in GNU Binutils up to 2.35 (Programming Tool Software). It has been declared as problematic. Affected by this vulnerability is an unknown function of the component BFD Library. The manipulation with an unknown input leads to a memory allocation vulnerability. The CWE definition for the vulnerability is CWE-789. The product allocates memory based on an untrusted, large size value, but it does not ensure that the size is within expected limits, allowing arbitrary amounts of memory to be allocated. As an impact it is known to affect availability.

The weakness was released 04/16/2021. It is possible to read the advisory at bugzilla.redhat.com. This vulnerability is known as CVE-2021-3487. The technical details are unknown and an exploit is not publicly available.

Upgrading to version 2.36 eliminates this vulnerability.

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Programming Tool Software

Vendor

Name

Binutils

Version

License

open-source

Website

Vendor: https://www.gnu.org/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.5
VulDB Meta Temp Score: 3.4

VulDB Base Score: 3.5
VulDB Temp Score: 3.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
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Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Memory allocation
CWE: CWE-789 / CWE-400 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

Availability: 🔍
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Binutils 2.36

Timelineinfo

04/08/2021 🔍
04/16/2021 +8 days 🔍
04/16/2021 +0 days 🔍
04/21/2021 +5 days 🔍

Sourcesinfo

Vendor: gnu.org

Advisory: bugzilla.redhat.com
Status: Confirmed

CVE: CVE-2021-3487 (🔍)
GCVE (CVE): GCVE-0-2021-3487
GCVE (VulDB): GCVE-100-173131

Entryinfo

Created: 04/16/2021 03:05
Updated: 04/21/2021 16:13
Changes: 04/16/2021 03:05 (39), 04/21/2021 16:13 (5)
Complete: 🔍
Cache ID: 216::103