A vulnerability has been found in Xpdf 4.00 and classified as critical. Affected by this vulnerability is the function GfxImageColorMap of the file GfxState.cc of the component PDF File Handler. The manipulation with an unknown input leads to a memory corruption vulnerability (Heap-based). The CWE definition for the vulnerability is CWE-122. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was presented 10/18/2018. This vulnerability is known as CVE-2018-18455 since 10/18/2018. The attack can be launched remotely. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $0-$5k at the moment (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.

See 125742, 125744, 125745 and 125746 for similar entries.

CPE

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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 / Heap-based (CWE-122)
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-2018-18455 (🔒)
See also: 🔒

Entry

Created: 10/18/2018
Complete: 🔍

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