xpdf 4.03 Command pdfimages buffer overflow

CVSS Meta Temp Score
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CTI Interest Score
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5.5$0-$5k0.00

Summaryinfo

A vulnerability classified as critical has been found in xpdf 4.03. The affected element is the function pdfimages of the component Command Handler. Performing a manipulation results in buffer overflow. This vulnerability is cataloged as CVE-2021-36493. There is no exploit available.

Detailsinfo

A vulnerability classified as problematic has been found in xpdf 4.03 (Document Reader Software). This affects the function pdfimages of the component Command Handler. 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:

Buffer Overflow vulnerability in pdfimages in xpdf 4.03 allows attackers to crash the application via crafted command.

The weakness was shared 02/03/2023. The advisory is shared at forum.xpdfreader.com. This vulnerability is uniquely identified as CVE-2021-36493 since 07/12/2021. 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

Version

License

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

NVD Base Score: 7.5
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: 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: forum.xpdfreader.com
Status: Confirmed

CVE: CVE-2021-36493 (🔍)
GCVE (CVE): GCVE-0-2021-36493
GCVE (VulDB): GCVE-100-220149

Entryinfo

Created: 02/03/2023 21:07
Updated: 03/04/2023 15:41
Changes: 02/03/2023 21:07 (39), 03/04/2023 15:41 (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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