VDB-128377 · CVE-2018-20248 · BID 106306

Foxit Quick PDF Library up to 16.11 xref Table memory corruption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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8.2$0-$5k0.00

A vulnerability classified as critical was found in Foxit Quick PDF Library up to 16.11 (Software Library). Affected by this vulnerability is the function LoadFromFile/LoadFromString/LoadFromStream/DAOpenFile/DAOpenFileReadOnly of the component xref Table Handler. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

In Foxit Quick PDF Library (all versions prior to 16.12), issue where loading a malformed or malicious PDF containing invalid xref table pointers or invalid xref table data using the LoadFromFile, LoadFromString, LoadFromStream, DAOpenFile or DAOpenFileReadOnly functions may result in an access violation caused by out of bounds memory access.

The bug was discovered 12/17/2018. The weakness was disclosed 12/24/2018 with Check Point (Website). The advisory is shared at foxitsoftware.com. This vulnerability is known as CVE-2018-20248 since 12/19/2018. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details are known, but no exploit is available.

The vulnerability was handled as a non-public zero-day exploit for at least 7 days. During that time the estimated underground price was around $0-$5k. The commercial vulnerability scanner Qualys is able to test this issue with plugin 371385 (Foxit Quick PDF Library access violation vulnerability).

Upgrading to version 16.12 eliminates this vulnerability.

The entries 82783, 82784, 82785 and 82786 are pretty similar.

Productinfo

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License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.4

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Quick PDF Library 16.12

Timelineinfo

12/17/2018 🔍
12/19/2018 +2 days 🔍
12/24/2018 +5 days 🔍
12/24/2018 +0 days 🔍
12/24/2018 +0 days 🔍
12/25/2018 +1 days 🔍
04/24/2020 +486 days 🔍

Sourcesinfo

Vendor: foxitsoftware.com

Advisory: foxitsoftware.com
Organization: Check Point
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2018-20248 (🔍)
SecurityFocus: 106306 - Foxit Quick PDF Library Multiple Security Vulnerabilities

See also: 🔍

Entryinfo

Created: 12/25/2018 10:33
Updated: 04/24/2020 08:05
Changes: 12/25/2018 10:33 (65), 04/24/2020 08:05 (5)
Complete: 🔍

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