pikepdf up to 2.9.x PDF XMP Metadata Parser xml external entity reference
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
8.4 | $0-$5k | 0.00 |
A vulnerability has been found in pikepdf up to 2.9.x and classified as critical. This vulnerability affects an unknown function of the component PDF XMP Metadata Parser. 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. CVE summarizes:
pikepdf before 2.10.0 allows an XXE attack against PDF XMP metadata parsing.
The weakness was shared 10/24/2022. The advisory is shared for download at bugs.gentoo.org. This vulnerability was named CVE-2021-46849 since 10/24/2022. There are neither technical details nor an exploit publicly available.
Upgrading to version 2.10.0 eliminates this vulnerability.
Product
Name
Version
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 8.5VulDB Meta Temp Score: 8.4
VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 9.8
NVD Vector: 🔍
CVSSv2
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Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Xml external entity referenceCWE: CWE-611 / CWE-610
CAPEC: 🔍
ATT&CK: 🔍
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
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Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: pikepdf 2.10.0
Timeline
10/24/2022 🔍10/24/2022 🔍
10/24/2022 🔍
10/24/2022 🔍
Sources
Advisory: bugs.gentoo.orgStatus: Confirmed
CVE: CVE-2021-46849 (🔍)
Entry
Created: 10/24/2022 21:34Changes: 10/24/2022 21:34 (48)
Complete: 🔍
Cache ID: 3:B3A:103
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