VDB-132156 · CVE-2019-10023 · USN-4042-1

Foo Labs Xpdf 4.01.01 Function.cc PostScriptFunction::exec Floating Point divide by zero

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.
5.9	$0-$5k	0.00

Summaryinfo

A vulnerability labeled as critical has been found in Foo Labs Xpdf 4.01.01. This affects the function PostScriptFunction::exec of the file Function.cc. The manipulation results in divide by zero (Floating Point). This vulnerability is identified as CVE-2019-10023. The attack can be executed remotely. There is not any exploit available.

Detailsinfo

A vulnerability classified as critical has been found in Foo Labs Xpdf 4.01.01 (Document Reader Software). Affected is the function PostScriptFunction::exec of the file Function.cc. The manipulation with an unknown input leads to a divide by zero vulnerability (Floating Point). CWE is classifying the issue as CWE-369. The product divides a value by zero. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

An issue was discovered in Xpdf 4.01.01. There is an FPE in the function PostScriptFunction::exec at Function.cc for the psOpMod case.

The bug was discovered 03/21/2019. The weakness was released 03/25/2019 (Website). The advisory is shared for download at usn.ubuntu.com. This vulnerability is traded as CVE-2019-10023 since 03/24/2019. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Successful exploitation requires user interaction by the victim. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1499.

The vulnerability was handled as a non-public zero-day exploit for at least 4 days. During that time the estimated underground price was around $0-$5k.

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

Entries connected to this vulnerability are available at VDB-132152, VDB-132151 and VDB-132154. Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Document Reader Software

Vendor

Foo Labs

Name

Xpdf

Version

4.01.01

License

open-source

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

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Name: Floating Point
Class: Divide by zero / Floating Point
CWE: CWE-369 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

03/21/2019 🔍
03/24/2019 +3 days 🔍
03/25/2019 +1 days 🔍
03/25/2019 +0 days 🔍
08/04/2023 +1593 days 🔍

Sourcesinfo

Advisory: USN-4042-1
Status: Not defined

CVE: CVE-2019-10023 (🔍)
GCVE (CVE): GCVE-0-2019-10023
GCVE (VulDB): GCVE-100-132156
See also: 🔍

Entryinfo

Created: 03/25/2019 07:01
Updated: 08/04/2023 19:10
Changes: 03/25/2019 07:01 (58), 06/18/2020 09:07 (2), 08/04/2023 19:10 (3)
Complete: 🔍
Cache ID: 216::103