node-tar up to 3.2.2/4.4.14/5.0.6/6.1.1 on npm Symbolic Links path traversal
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
5.1 | $0-$5k | 0.00 |
A vulnerability, which was classified as critical, has been found in node-tar up to 3.2.2/4.4.14/5.0.6/6.1.1 on npm (NPM Package). Affected by this issue is an unknown functionality of the component Symbolic Links Handler. The manipulation with an unknown input leads to a path traversal vulnerability. Using CWE to declare the problem leads to CWE-22. The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. Impacted is confidentiality, integrity, and availability.
The weakness was published 08/04/2021. The advisory is shared for download at npmjs.com. This vulnerability is handled as CVE-2021-32803. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1006.
Upgrading to version 3.2.3, 4.4.15, 5.0.7 or 6.1.2 eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.
Product
Type
Name
Version
- 3.2.0
- 3.2.1
- 3.2.2
- 4.4.0
- 4.4.1
- 4.4.2
- 4.4.3
- 4.4.4
- 4.4.5
- 4.4.6
- 4.4.7
- 4.4.8
- 4.4.9
- 4.4.10
- 4.4.11
- 4.4.12
- 4.4.13
- 4.4.14
- 5.0.0
- 5.0.1
- 5.0.2
- 5.0.3
- 5.0.4
- 5.0.5
- 5.0.6
- 6.1.0
- 6.1.1
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 5.3VulDB Meta Temp Score: 5.1
VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍
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: Path traversalCWE: CWE-22
ATT&CK: T1006
Local: Yes
Remote: No
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: node-tar 3.2.3/4.4.15/5.0.7/6.1.2
Patch: github.com
Timeline
05/12/2021 🔍08/04/2021 🔍
08/04/2021 🔍
08/07/2021 🔍
Sources
Advisory: npmjs.comStatus: Confirmed
Confirmation: 🔍
CVE: CVE-2021-32803 (🔍)
Entry
Created: 08/04/2021 10:56Updated: 08/07/2021 14:28
Changes: 08/04/2021 10:56 (39), 08/04/2021 10:59 (1), 08/07/2021 14:26 (3), 08/07/2021 14:28 (1)
Complete: 🔍
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