VDB-201133 · CVE-2022-29693 · Issue 1586

Unicorn Engine up to 2.0.0-rc7 /my/unicorn/uc.c uc_close memory leak

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.
3.4	$0-$5k	0.00

A vulnerability classified as problematic was found in Unicorn Engine up to 2.0.0-rc7. Affected by this vulnerability is the function uc_close of the file /my/unicorn/uc.c. The manipulation with an unknown input leads to a memory leak vulnerability. The CWE definition for the vulnerability is CWE-401. The product does not sufficiently track and release allocated memory after it has been used, which slowly consumes remaining memory. As an impact it is known to affect availability.

The weakness was presented 06/03/2022 as 1586. The advisory is shared at github.com. This vulnerability is known as CVE-2022-29693 since 04/25/2022. Technical details are known, but no exploit is available.

Applying the patch 469fc4c35a0cfabdbefb158e22d145f4ee6f77b9 is able to eliminate this problem. The bugfix is ready for download at github.com.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

Unicorn

Name

Engine

Version

License

open-source

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.5
VulDB Meta Temp Score: 3.4

VulDB Base Score: 3.5
VulDB Temp Score: 3.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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: 🔍

Exploitinginfo

Class: Memory leak
CWE: CWE-401 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Partially

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 Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: 469fc4c35a0cfabdbefb158e22d145f4ee6f77b9

Timelineinfo

04/25/2022 🔍
06/03/2022 +39 days 🔍
06/03/2022 +0 days 🔍
06/06/2022 +3 days 🔍

Sourcesinfo

Advisory: 1586
Status: Confirmed

CVE: CVE-2022-29693 (🔍)
GCVE (CVE): GCVE-0-2022-29693
GCVE (VulDB): GCVE-100-201133

Entryinfo

Created: 06/03/2022 09:30 AM
Updated: 06/06/2022 07:39 AM
Changes: 06/03/2022 09:30 AM (42), 06/06/2022 07:39 AM (1)
Complete: 🔍
Cache ID: 18:AC8:40