libpngs pngimage pngimage.c buffer overflow

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.9$0-$5k0.00

Summaryinfo

A vulnerability marked as critical has been reported in libpngs. Affected by this vulnerability is an unknown functionality of the file pngimage.c of the component pngimage. Performing a manipulation results in buffer overflow. This vulnerability is identified as CVE-2021-4214. The attack can be initiated remotely. There is not any exploit available.

Detailsinfo

A vulnerability was found in libpngs (Image Processing Software) (the affected version is unknown). It has been classified as critical. This affects an unknown code of the file pngimage.c of the component pngimage. The manipulation with an unknown input leads to a buffer overflow vulnerability. CWE is classifying the issue as 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. This is going to have an impact on availability. The summary by CVE is:

A heap overflow flaw was found in libpngs' pngimage.c program. This flaw allows an attacker with local network access to pass a specially crafted PNG file to the pngimage utility, causing an application to crash, leading to a denial of service.

The weakness was released 08/25/2022 as 302. The advisory is shared at github.com. This vulnerability is uniquely identified as CVE-2021-4214 since 01/25/2022. It demands that the victim is doing some kind of user interaction. Technical details are known, but no exploit is available.

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

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.9
VulDB Meta Temp Score: 4.9

VulDB Base Score: 4.3
VulDB Temp Score: 4.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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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: Partially
Local: Yes
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

01/25/2022 🔍
08/25/2022 +211 days 🔍
08/25/2022 +0 days 🔍
09/25/2022 +31 days 🔍

Sourcesinfo

Advisory: 302
Status: Confirmed

CVE: CVE-2021-4214 (🔍)
GCVE (CVE): GCVE-0-2021-4214
GCVE (VulDB): GCVE-100-207141

Entryinfo

Created: 08/25/2022 09:18
Updated: 09/25/2022 16:07
Changes: 08/25/2022 09:18 (39), 09/25/2022 16:07 (11)
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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