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 was found in Apport on Ubuntu. It has been classified as critical. This affects the function read_file of the file apport/hookutils.py. This manipulation causes symlink.
This vulnerability is registered as CVE-2021-32548. The attack needs to be launched locally. Furthermore, an exploit is available.
Upgrading the affected component is recommended.
Details
A vulnerability was found in Apport on Ubuntu. It has been declared as critical. Affected by this vulnerability is 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 published 06/12/2021. The advisory is shared at bugs.launchpad.net. This vulnerability is known as CVE-2021-32548. 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.
If you want to get the best quality for vulnerability data then you always have to consider 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
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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 |
|---|---|---|---|---|
| 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-2021-32548 (🔍)
GCVE (CVE): GCVE-0-2021-32548
GCVE (VulDB): GCVE-100-176965
scip Labs: https://www.scip.ch/en/?labs.20161013
Entry
Created: 06/12/2021 10:50Updated: 06/14/2021 14:26
Changes: 06/12/2021 10:50 (43), 06/14/2021 14:24 (2), 06/14/2021 14:26 (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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