Allegro up to 5.2.6 allegro_image Addon buffer overflow

CVSS Meta Temp Score
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CTI Interest Score
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5.0$0-$5k0.00

Summaryinfo

A vulnerability described as critical has been identified in Allegro up to 5.2.6. Impacted is an unknown function of the component allegro_image Addon. Such manipulation leads to buffer overflow. This vulnerability is listed as CVE-2021-36489. There is no available exploit.

Detailsinfo

A vulnerability was found in Allegro up to 5.2.6. It has been rated as problematic. Affected by this issue is an unknown code block of the component allegro_image Addon. The manipulation with an unknown input leads to a buffer overflow vulnerability. Using CWE to declare the problem leads to CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. Impacted is availability. CVE summarizes:

Buffer Overflow vulnerability in Allegro through 5.2.6 allows attackers to cause a denial of service via crafted PCX/TGA/BMP files to allegro_image addon.

The weakness was presented 02/03/2023 as 1251. The advisory is shared for download at github.com. This vulnerability is handled as CVE-2021-36489 since 07/12/2021. There are neither technical details nor an exploit publicly available.

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

Once again VulDB remains the best source for vulnerability data.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.0
VulDB Meta Temp Score: 5.0

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

NVD Base Score: 6.5
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Buffer overflow
CWE: CWE-120 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

07/12/2021 🔍
02/03/2023 +571 days 🔍
02/03/2023 +0 days 🔍
03/04/2023 +29 days 🔍

Sourcesinfo

Advisory: 1251
Status: Confirmed

CVE: CVE-2021-36489 (🔍)
GCVE (CVE): GCVE-0-2021-36489
GCVE (VulDB): GCVE-100-220148

Entryinfo

Created: 02/03/2023 21:07
Updated: 03/04/2023 15:34
Changes: 02/03/2023 21:07 (38), 03/04/2023 15:34 (11)
Complete: 🔍
Cache ID: 216::103

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