Adobe Acrobat Reader DC Font Parser out-of-bounds write

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 (≈)
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CTI Interest Score
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6.9$5k-$25k0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in Adobe Acrobat Reader DC. This impacts an unknown function of the component Font Parser. Such manipulation leads to out-of-bounds write. This vulnerability is referenced as CVE-2023-44366. It is possible to launch the attack remotely. No exploit is available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Adobe Acrobat Reader DC (Document Reader Software) (affected version unknown). Affected by this issue is an unknown functionality of the component Font Parser. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. Using CWE to declare the problem leads to CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. Impacted is confidentiality, integrity, and availability.

The weakness was published 11/15/2023 as ZDI-23-1689. The advisory is shared for download at zerodayinitiative.com. This vulnerability is handled as CVE-2023-44366 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

Vendor

Name

License

Website

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

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

Exploitinginfo

Class: Out-of-bounds write
CWE: CWE-787 / 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: 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-23-1689
Status: Confirmed

CVE: CVE-2023-44366 (🔍)
GCVE (CVE): GCVE-0-2023-44366
GCVE (VulDB): GCVE-100-245540

Entryinfo

Created: 11/15/2023 20:32
Updated: 12/10/2023 21:28
Changes: 11/15/2023 20:32 (39), 12/10/2023 21:18 (1), 12/10/2023 21:28 (12)
Complete: 🔍
Cache ID: 216::103

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