tar Crate up to 0.4.15 on Rust Archive Symlink link following
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 7.2 | $0-$5k | 0.00 |
Summary
A vulnerability was found in tar Crate up to 0.4.15 on Rust. It has been classified as critical. This affects an unknown function of the component Archive Handler. Performing a manipulation as part of Symlink results in link following. This vulnerability is known as CVE-2018-20990. Remote exploitation of the attack is possible. No exploit is available. Upgrading the affected component is recommended.
Details
A vulnerability was found in tar Crate up to 0.4.15 on Rust (Rust Package). It has been classified as critical. This affects an unknown code block of the component Archive Handler. The manipulation as part of a Symlink leads to a link following vulnerability. CWE is classifying the issue as CWE-59. The product attempts to access a file based on the filename, but it does not properly prevent that filename from identifying a link or shortcut that resolves to an unintended resource. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:
An issue was discovered in the tar crate before 0.4.16 for Rust. Arbitrary file overwrite can occur via a symlink or hardlink in a TAR archive.
The weakness was published 08/26/2019. This vulnerability is uniquely identified as CVE-2018-20990 since 08/25/2019. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. The technical details are unknown and an exploit is not publicly available.
Upgrading to version 0.4.16 eliminates this vulnerability.
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Product
Type
Name
Version
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 7.4VulDB Meta Temp Score: 7.2
VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 7.5
NVD Vector: 🔍
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: 🔍
NVD Base Score: 🔍
Exploiting
Class: Link followingCWE: CWE-59
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: tar Crate 0.4.16
Timeline
08/25/2019 🔍08/26/2019 🔍
08/27/2019 🔍
12/04/2023 🔍
Sources
Advisory: rustsec.orgStatus: Not defined
CVE: CVE-2018-20990 (🔍)
GCVE (CVE): GCVE-0-2018-20990
GCVE (VulDB): GCVE-100-140775
Entry
Created: 08/27/2019 06:28Updated: 12/04/2023 08:04
Changes: 08/27/2019 06:28 (38), 08/06/2020 08:41 (18), 12/04/2023 08:04 (4)
Complete: 🔍
Cache ID: 216::103
Be aware that VulDB is the high quality source for vulnerability data.
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