Tremor up to 0.11.5 patch/merge/state use after free

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.8$0-$5k0.00

Summaryinfo

A vulnerability was found in Tremor up to 0.11.5 and classified as critical. This affects the function patch/merge/state. Executing a manipulation can lead to use after free. This vulnerability is tracked as CVE-2021-39228. The attack can be launched remotely. No exploit exists. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical was found in Tremor up to 0.11.5. This vulnerability affects the function patch/merge/state. The manipulation with an unknown input leads to a use after free vulnerability. The CWE definition for the vulnerability is CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was disclosed 09/17/2021 as 1a2efcdbe68e5e7fd0a05836ac32d2cde78a0b2e. The advisory is shared for download at github.com. This vulnerability was named CVE-2021-39228 since 08/16/2021. There are known technical details, but no exploit is available.

Upgrading to version 0.11.6 eliminates this vulnerability. The upgrade is hosted for download at github.com. Applying the patch 1a2efcdbe68e5e7fd0a05836ac32d2cde78a0b2e 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.

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.9
VulDB Meta Temp Score: 6.8

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 6.5
CNA Vector (GitHub, Inc.): 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Use after free
CWE: CWE-416 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Tremor 0.11.6
Patch: 1a2efcdbe68e5e7fd0a05836ac32d2cde78a0b2e

Timelineinfo

08/16/2021 🔍
09/17/2021 +32 days 🔍
09/17/2021 +0 days 🔍
09/22/2021 +5 days 🔍

Sourcesinfo

Advisory: 1a2efcdbe68e5e7fd0a05836ac32d2cde78a0b2e
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2021-39228 (🔍)
GCVE (CVE): GCVE-0-2021-39228
GCVE (VulDB): GCVE-100-182872

Entryinfo

Created: 09/17/2021 21:37
Updated: 09/22/2021 14:54
Changes: 09/17/2021 21:37 (52), 09/22/2021 14:54 (2)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Want to stay up to date on a daily basis?

Enable the mail alert feature now!