LibreDWG 0.12.4.4608/2007.c decode_r2007.c copy_bytes stack-based overflow

HistoryDiffrelatejsonxmlCTI

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.
5.5	$0-$5k	0.00

Summaryinfo

A vulnerability has been found in LibreDWG 0.12.4.4608/2007.c and classified as critical. The affected element is the function copy_bytes of the file decode_r2007.c. Performing a manipulation results in stack-based overflow. This vulnerability is reported as CVE-2022-33034. No exploit exists.

Detailsinfo

A vulnerability classified as critical has been found in LibreDWG 0.12.4.4608/2007.c (Image Processing Software). This affects the function copy_bytes of the file decode_r2007.c. The manipulation with an unknown input leads to a stack-based overflow vulnerability. CWE is classifying the issue as CWE-121. A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function). This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

LibreDWG v0.12.4.4608 was discovered to contain a stack overflow via the function copy_bytes at decode_r2007.c.

The weakness was disclosed 06/23/2022 as 494. It is possible to read the advisory at github.com. This vulnerability is uniquely identified as CVE-2022-33034 since 06/13/2022. Technical details of the vulnerability are known, but there is no available exploit.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Image Processing Software

Name

LibreDWG

Version

Website

Product: https://github.com/LibreDWG/libredwg/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.5

VulDB Base Score: 5.5
VulDB Temp Score: 5.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Stack-based overflow
CWE: CWE-121 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

06/13/2022 🔍
06/23/2022 +10 days 🔍
06/23/2022 +0 days 🔍
06/23/2022 +0 days 🔍

Sourcesinfo

Product: github.com

Advisory: 494
Status: Confirmed

CVE: CVE-2022-33034 (🔍)
GCVE (CVE): GCVE-0-2022-33034
GCVE (VulDB): GCVE-100-202527

Entryinfo

Created: 06/23/2022 21:50
Changes: 06/23/2022 21:50 (40)
Complete: 🔍
Cache ID: 216::103