Apport prior 2.20.11-0ubuntu67 on Ubuntu apport/hookutils.py read_file symlink
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 4.8 | $0-$5k | 0.00 |
Summary
A vulnerability labeled as critical has been found in Apport on Ubuntu. This affects the function read_file of the file apport/hookutils.py. The manipulation results in symlink.
This vulnerability is known as CVE-2021-32553. Attacking locally is a requirement. Furthermore, an exploit is available.
The affected component should be upgraded.
Details
A vulnerability, which was classified as critical, was found in Apport on Ubuntu. Affected is the function read_file of the file apport/hookutils.py. The manipulation with an unknown input leads to a symlink vulnerability. CWE is classifying the issue as CWE-61. The product, when opening a file or directory, does not sufficiently account for when the file is a symbolic link that resolves to a target outside of the intended control sphere. This could allow an attacker to cause the product to operate on unauthorized files. This is going to have an impact on confidentiality, integrity, and availability.
The weakness was published 06/12/2021. The advisory is available at bugs.launchpad.net. This vulnerability is traded as CVE-2021-32553. Technical details and a public exploit are known.
The exploit is shared for download at bugs.launchpad.net. It is declared as proof-of-concept.
Upgrading to version 2.20.11-0ubuntu67 eliminates this vulnerability. The upgrade is hosted for download at bugs.launchpad.net.
If you want to get best quality of vulnerability data, you may have to visit VulDB.
Product
Name
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 5.3VulDB Meta Temp Score: 4.8
VulDB Base Score: 5.3
VulDB Temp Score: 4.8
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: SymlinkCWE: CWE-61 / CWE-59
CAPEC: 🔍
ATT&CK: 🔍
Physical: Partially
Local: Yes
Remote: No
Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍
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: Apport 2.20.11-0ubuntu67
Timeline
05/10/2021 🔍06/12/2021 🔍
06/12/2021 🔍
06/14/2021 🔍
Sources
Advisory: bugs.launchpad.netStatus: Confirmed
CVE: CVE-2021-32553 (🔍)
GCVE (CVE): GCVE-0-2021-32553
GCVE (VulDB): GCVE-100-176970
scip Labs: https://www.scip.ch/en/?labs.20161013
Entry
Created: 06/12/2021 10:53Updated: 06/14/2021 14:59
Changes: 06/12/2021 10:53 (43), 06/14/2021 14:55 (2), 06/14/2021 14:59 (1)
Complete: 🔍
Cache ID: 216::103
If you want to get best quality of vulnerability data, you may have to visit VulDB.
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