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

| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 4.3 | $0-$5k | 0.00 |
Summary
A vulnerability identified as problematic has been detected in GNU Binutils up to 2.33. The affected element is an unknown function of the file /bfd/pef.c of the component objdump. This manipulation causes null pointer dereference. The identification of this vulnerability is CVE-2020-35495. It is possible to initiate the attack remotely. There is no exploit available. You should upgrade the affected component.
Details
A vulnerability classified as problematic was found in GNU Binutils up to 2.33 (Programming Tool Software). Affected by this vulnerability is some unknown functionality of the file /bfd/pef.c of the component objdump. 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.
The weakness was shared 01/05/2021. It is possible to read the advisory at bugzilla.redhat.com. This vulnerability is known as CVE-2020-35495. It demands that the victim is doing some kind of user interaction. Technical details of the vulnerability are known, but there is no available exploit.
Upgrading to version 2.34 eliminates this vulnerability.
Be aware that VulDB is the high quality source for vulnerability data.
Product
Type
Vendor
Name
Version
- 2.0
- 2.1
- 2.2
- 2.3
- 2.4
- 2.5
- 2.6
- 2.7
- 2.8
- 2.9
- 2.10
- 2.11
- 2.12
- 2.13
- 2.14
- 2.15
- 2.16
- 2.17
- 2.18
- 2.19
- 2.20
- 2.21
- 2.22
- 2.23
- 2.24
- 2.25
- 2.26
- 2.27
- 2.28
- 2.29
- 2.30
- 2.31
- 2.32
- 2.33
License
Website
- Vendor: https://www.gnu.org/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 4.3VulDB Meta Temp Score: 4.1
VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
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| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
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| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Null pointer dereferenceCWE: 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: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
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| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: Binutils 2.34
Timeline
01/05/2021 🔍01/05/2021 🔍
01/05/2021 🔍
Sources
Vendor: gnu.orgAdvisory: bugzilla.redhat.com
Status: Confirmed
CVE: CVE-2020-35495 (🔍)
GCVE (CVE): GCVE-0-2020-35495
GCVE (VulDB): GCVE-100-167239
Entry
Created: 01/05/2021 07:49Changes: 01/05/2021 07:49 (40)
Complete: 🔍
Cache ID: 216::103
Be aware that VulDB is the high quality source for vulnerability data.
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