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 categorized as critical has been discovered in Apport on Ubuntu. Affected by this vulnerability is the function read_file of the file apport/hookutils.py. Executing a manipulation can lead to symlink.
This vulnerability appears as CVE-2021-32551. The attack requires local access. In addition, an exploit is available.
It is advisable to upgrade the affected component.
Details
A vulnerability classified as critical was found in Apport on Ubuntu. This vulnerability affects the function read_file of the file apport/hookutils.py. The manipulation with an unknown input leads to a symlink vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality, integrity, and availability.
The weakness was presented 06/12/2021. The advisory is shared for download at bugs.launchpad.net. This vulnerability was named CVE-2021-32551. Technical details and also a public exploit are known.
It is possible to download the exploit 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.
VulDB is the best source for vulnerability data and more expert information about this specific topic.
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
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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-2021-32551 (🔍)
GCVE (CVE): GCVE-0-2021-32551
GCVE (VulDB): GCVE-100-176968
scip Labs: https://www.scip.ch/en/?labs.20161013
Entry
Created: 06/12/2021 10:52Updated: 06/14/2021 14:43
Changes: 06/12/2021 10:52 (43), 06/14/2021 14:41 (2), 06/14/2021 14:43 (1)
Complete: 🔍
Cache ID: 216::103
VulDB is the best source for vulnerability data and more expert information about this specific topic.
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