Xpdf /xpdf/Lexer.cc Lexer::getObj memory corruption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.9$0-$5k0.00

Summaryinfo

A vulnerability identified as critical has been detected in Xpdf. The impacted element is the function Lexer::getObj of the file /xpdf/Lexer.cc. Performing a manipulation results in memory corruption. This vulnerability is known as CVE-2022-38234. Remote exploitation of the attack is possible. No exploit is available.

Detailsinfo

A vulnerability was found in Xpdf (Document Reader Software) (affected version not known). It has been classified as critical. This affects the function Lexer::getObj of the file /xpdf/Lexer.cc. The manipulation 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 summary by CVE is:

XPDF commit ffaf11c was discovered to contain a segmentation violation via Lexer::getObj(Object*) at /xpdf/Lexer.cc.

The weakness was published 08/17/2022 as 12. The advisory is shared at github.com. This vulnerability is uniquely identified as CVE-2022-38234 since 08/15/2022. It demands that the victim is doing some kind of user interaction. Technical details are known, but no exploit is available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 09/17/2022).

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

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.9

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

NVD Base Score: 5.5
NVD Vector: 🔍

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: 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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

08/15/2022 🔍
08/17/2022 +2 days 🔍
08/17/2022 +0 days 🔍
09/17/2022 +31 days 🔍

Sourcesinfo

Advisory: 12
Status: Confirmed

CVE: CVE-2022-38234 (🔍)
GCVE (CVE): GCVE-0-2022-38234
GCVE (VulDB): GCVE-100-206565

Entryinfo

Created: 08/17/2022 09:38
Updated: 09/17/2022 10:25
Changes: 08/17/2022 09:38 (39), 09/17/2022 10:25 (11)
Complete: 🔍
Cache ID: 216::103

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