Xpdf 4.0.4 PDF File TextOutputDev.cc TextLine y 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.
6.3$0-$5k0.00

Summaryinfo

A vulnerability described as critical has been identified in Xpdf 4.0.4. This issue affects the function TextLine of the file TextOutputDev.cc of the component PDF File Handler. The manipulation of the argument y results in memory corruption. This vulnerability is reported as CVE-2022-30524. The attack can be launched remotely. No exploit exists.

Detailsinfo

A vulnerability was found in Xpdf 4.0.4 (Document Reader Software). It has been classified as critical. Affected is the function TextLine of the file TextOutputDev.cc of the component PDF File Handler. The manipulation of the argument y with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was disclosed 05/10/2022. The advisory is available at forum.xpdfreader.com. This vulnerability is traded as CVE-2022-30524 since 05/09/2022. Successful exploitation requires user interaction by the victim. Technical details are known, but there is no available exploit. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 05/10/2022).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.3

VulDB Base Score: 6.3
VulDB Temp Score: 6.3
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: Memory corruption
CWE: 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

05/09/2022 🔍
05/10/2022 +1 days 🔍
05/10/2022 +0 days 🔍
05/12/2022 +2 days 🔍

Sourcesinfo

Advisory: forum.xpdfreader.com
Status: Not defined

CVE: CVE-2022-30524 (🔍)
GCVE (CVE): GCVE-0-2022-30524
GCVE (VulDB): GCVE-100-199302

Entryinfo

Created: 05/10/2022 07:33
Updated: 05/12/2022 09:23
Changes: 05/10/2022 07:33 (19), 05/10/2022 07:34 (21), 05/12/2022 09:23 (1)
Complete: 🔍
Cache ID: 216::103

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