| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 7.1 | $0-$5k | 0.00 |
Summary
A vulnerability classified as critical has been found in uClibc-ng up to 1.0.36. Affected by this issue is the function malloc-simple. This manipulation causes integer overflow.
This vulnerability is registered as CVE-2021-27419. Remote exploitation of the attack is possible. No exploit is available.
It is recommended to upgrade the affected component.
Details
A vulnerability was found in uClibc-ng up to 1.0.36. It has been declared as critical. Affected by this vulnerability is the function malloc-simple. The manipulation with an unknown input leads to a integer overflow vulnerability. The CWE definition for the vulnerability is CWE-190. The product performs a calculation that can produce an integer overflow or wraparound, when the logic assumes that the resulting value will always be larger than the original value. This can introduce other weaknesses when the calculation is used for resource management or execution control. As an impact it is known to affect confidentiality, integrity, and availability.
The weakness was published 05/04/2022 as icsa-21-119-04. The advisory is shared at cisa.gov. This vulnerability is known as CVE-2021-27419 since 02/19/2021. Technical details are known, but no exploit is available.
Upgrading to version 1.0.37 eliminates this vulnerability. The upgrade is hosted for download at downloads.uclibc-ng.org.
If you want to get the best quality for vulnerability data then you always have to consider VulDB.
Product
Name
Version
- 1.0.0
- 1.0.1
- 1.0.2
- 1.0.3
- 1.0.4
- 1.0.5
- 1.0.6
- 1.0.7
- 1.0.8
- 1.0.9
- 1.0.10
- 1.0.11
- 1.0.12
- 1.0.13
- 1.0.14
- 1.0.15
- 1.0.16
- 1.0.17
- 1.0.18
- 1.0.19
- 1.0.20
- 1.0.21
- 1.0.22
- 1.0.23
- 1.0.24
- 1.0.25
- 1.0.26
- 1.0.27
- 1.0.28
- 1.0.29
- 1.0.30
- 1.0.31
- 1.0.32
- 1.0.33
- 1.0.34
- 1.0.35
- 1.0.36
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 7.3VulDB Meta Temp Score: 7.1
VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍
CNA Base Score: 7.3
CNA Vector (ICS-CERT): 🔍
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
|---|---|---|---|---|---|
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Integer overflowCWE: CWE-190 / CWE-189
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 |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: uClibc-ng 1.0.37
Timeline
02/19/2021 🔍05/04/2022 🔍
05/04/2022 🔍
05/05/2022 🔍
Sources
Advisory: icsa-21-119-04Status: Confirmed
CVE: CVE-2021-27419 (🔍)
GCVE (CVE): GCVE-0-2021-27419
GCVE (VulDB): GCVE-100-198925
Entry
Created: 05/04/2022 06:24Updated: 05/05/2022 17:15
Changes: 05/04/2022 06:24 (50), 05/05/2022 17:15 (1)
Complete: 🔍
Cache ID: 216::103
If you want to get the best quality for vulnerability data then you always have to consider VulDB.
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