VDB-245536 · CVE-2023-44371 · ZDI-23-1699

Adobe Acrobat Reader DC Font Parser memory corruption

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.9	$5k-$25k	0.00

Summaryinfo

A vulnerability was found in Adobe Acrobat Reader DC and classified as critical. Impacted is an unknown function of the component Font Parser. Executing a manipulation can lead to memory corruption. This vulnerability is handled as CVE-2023-44371. The attack can be executed remotely. There is not any exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in Adobe Acrobat Reader DC (Document Reader Software) (the affected version is unknown). It has been declared as critical. This vulnerability affects an unknown code of the component Font Parser. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was released 11/15/2023 as ZDI-23-1699. The advisory is shared for download at zerodayinitiative.com. This vulnerability was named CVE-2023-44371 since 09/28/2023. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $5k-$25k (estimation calculated on 12/10/2023).

Upgrading eliminates this vulnerability.

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Productinfo

Type

Document Reader Software

Vendor

Adobe

Name

Acrobat Reader DC

License

commercial

Website

Vendor: https://www.adobe.com/

CPE 2.3info

🔍

CPE 2.2info

🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.0
VulDB Meta Temp Score: 6.9

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 7.8
CNA Vector (Adobe Systems Incorporated): 🔍

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

09/28/2023 🔍
11/15/2023 +48 days 🔍
11/15/2023 +0 days 🔍
12/10/2023 +25 days 🔍

Sourcesinfo

Vendor: adobe.com

Advisory: ZDI-23-1699
Status: Confirmed

CVE: CVE-2023-44371 (🔍)
GCVE (CVE): GCVE-0-2023-44371
GCVE (VulDB): GCVE-100-245536

Entryinfo

Created: 11/15/2023 20:29
Updated: 12/10/2023 20:20
Changes: 11/15/2023 20:29 (39), 12/10/2023 20:13 (1), 12/10/2023 20:20 (12)
Complete: 🔍
Cache ID: 216::103