pikepdf Package up to 2.9.2 on Python XMP Metadata models/metadata.py xml external entity reference

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.3$0-$5k0.00

Summaryinfo

A vulnerability labeled as problematic has been found in pikepdf Package up to 2.9.2 on Python. This impacts an unknown function of the file models/metadata.py of the component XMP Metadata Handler. Executing a manipulation can lead to xml external entity reference. This vulnerability is handled as CVE-2021-29421. There is not any exploit available. It is best practice to apply a patch to resolve this issue.

Detailsinfo

A vulnerability classified as problematic was found in pikepdf Package up to 2.9.2 on Python. This vulnerability affects an unknown part of the file models/metadata.py of the component XMP Metadata Handler. The manipulation with an unknown input leads to a xml external entity reference vulnerability. The CWE definition for the vulnerability is CWE-611. The product processes an XML document that can contain XML entities with URIs that resolve to documents outside of the intended sphere of control, causing the product to embed incorrect documents into its output. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was released 04/02/2021 as 3f38f73218e5e782fe411ccbb3b44a793c0b343a. The advisory is available at github.com. This vulnerability was named CVE-2021-29421. Technical details are known, but there is no available exploit.

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

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Productinfo

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: 5.3

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

Exploitinginfo

Class: Xml external entity reference
CWE: CWE-611 / CWE-610
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

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: Patch
Status: 🔍

0-Day Time: 🔍

Patch: github.com

Timelineinfo

03/29/2021 🔍
04/02/2021 +4 days 🔍
04/02/2021 +0 days 🔍
04/07/2021 +5 days 🔍

Sourcesinfo

Advisory: 3f38f73218e5e782fe411ccbb3b44a793c0b343a
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2021-29421 (🔍)
GCVE (CVE): GCVE-0-2021-29421
GCVE (VulDB): GCVE-100-172126

Entryinfo

Created: 04/02/2021 08:44
Updated: 04/07/2021 22:07
Changes: 04/02/2021 08:44 (39), 04/07/2021 22:07 (6)
Complete: 🔍
Cache ID: 216::103

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