GNU Binutils 2.35.1 libbfd.c bfd_getl_signed_32 heap-based overflow

| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 5.5 | $0-$5k | 0.00 |
Summary
A vulnerability categorized as critical has been discovered in GNU Binutils 2.35.1. This impacts the function bfd_getl_signed_32 of the file libbfd.c. Executing a manipulation can lead to heap-based overflow.
This vulnerability is handled as CVE-2020-35448. There is not any exploit available.
It is best practice to apply a patch to resolve this issue.
Details
A vulnerability has been found in GNU Binutils 2.35.1 (Programming Tool Software) and classified as critical. This vulnerability affects the function bfd_getl_signed_32 of the file libbfd.c. The manipulation with an unknown input leads to a heap-based overflow vulnerability. The CWE definition for the vulnerability is CWE-122. A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc(). As an impact it is known to affect confidentiality, integrity, and availability.
The weakness was released 12/27/2020. The advisory is available at sourceware.org. This vulnerability was named CVE-2020-35448. Technical details are known, but there is no available exploit.
Applying a patch is able to eliminate this problem. The bugfix is ready for download at sourceware.org.
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Product
Type
Vendor
Name
Version
License
Website
- Vendor: https://www.gnu.org/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 5.5VulDB Meta Temp Score: 5.5
VulDB Base Score: 5.5
VulDB Temp Score: 5.5
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Heap-based overflowCWE: CWE-122 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Partially
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
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Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: PatchStatus: 🔍
0-Day Time: 🔍
Patch: sourceware.org
Timeline
12/27/2020 🔍12/27/2020 🔍
12/27/2020 🔍
Sources
Vendor: gnu.orgAdvisory: sourceware.org
Status: Not defined
CVE: CVE-2020-35448 (🔍)
GCVE (CVE): GCVE-0-2020-35448
GCVE (VulDB): GCVE-100-166846
Entry
Created: 12/27/2020 10:06Changes: 12/27/2020 10:06 (40)
Complete: 🔍
Cache ID: 216::103
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