GNU Binutils up to 2.33 bfd/pef.c bfd_pef_scan_start_address null pointer dereference

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.3$0-$5k0.00

Summaryinfo

A vulnerability labeled as problematic has been found in GNU Binutils up to 2.33. The impacted element is the function bfd_pef_scan_start_address of the file bfd/pef.c. Such manipulation leads to null pointer dereference. This vulnerability is referenced as CVE-2020-35496. It is possible to launch the attack remotely. No exploit is available. The affected component should be upgraded.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in GNU Binutils up to 2.33 (Programming Tool Software). Affected by this issue is the function bfd_pef_scan_start_address of the file bfd/pef.c. The manipulation with an unknown input leads to a null pointer dereference vulnerability. Using CWE to declare the problem leads to 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. Impacted is availability.

The weakness was published 01/05/2021. The advisory is shared for download at bugzilla.redhat.com. This vulnerability is handled as CVE-2020-35496. Successful exploitation requires user interaction by the victim. There are known technical details, but no exploit is available.

Upgrading to version 2.34 eliminates this vulnerability.

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Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.1

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Null pointer dereference
CWE: CWE-476 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Binutils 2.34

Timelineinfo

01/05/2021 🔍
01/05/2021 +0 days 🔍
01/05/2021 +0 days 🔍

Sourcesinfo

Vendor: gnu.org

Advisory: bugzilla.redhat.com
Status: Confirmed

CVE: CVE-2020-35496 (🔍)
GCVE (CVE): GCVE-0-2020-35496
GCVE (VulDB): GCVE-100-167240

Entryinfo

Created: 01/05/2021 07:49
Changes: 01/05/2021 07:49 (40)
Complete: 🔍
Cache ID: 216::103

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