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mercredi 17 octobre 2018

Xpdf 4.00 PDF File Object.h Object::isName() memory corruption

A vulnerability was found in Xpdf 4.00 and classified as critical. Affected by this issue is the function Object::isName() of the file Object.h of the component PDF File Handler. The manipulation with an unknown input leads to a memory corruption vulnerability (Stack-based). Using CWE to declare the problem leads to CWE-119. Impacted is confidentiality, integrity, and availability.

The weakness was shared 10/18/2018. This vulnerability is handled as CVE-2018-18456 since 10/18/2018. The attack may be launched remotely. There are known technical details, but no exploit is available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 10/18/2018).

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

The issues 125742, 125743, 125745 and 125746 are related to this entry.

CPE

CVSSv3

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: 🔍

CVSSv2

VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploiting

Class: Memory corruption / Stack-based (CWE-119)
Local: No
Remote: Yes

Availability: No

Price Prediction: 🔍
Current Price Estimation: 🔒

Threat Intelligence

Threat: 🔍
Adversaries: 🔍
Geopolitics: 🔍
Economy: 🔍
Predictions: 🔍
Actions: 🔍

Countermeasures

Recommended: no mitigation known
0-Day Time: 🔒

Timeline

10/18/2018 Advisory disclosed
10/18/2018 CVE assigned
10/18/2018 VulDB entry created
10/18/2018 VulDB last update

Sources

CVE: CVE-2018-18456 (🔒)
See also: 🔒

Entry

Created: 10/18/2018
Complete: 🔍

Lien vers l'article source

Auteur: VulDB

Catégories: VulDBNombre de vues: 305

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