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.
5.5	$0-$5k	0.00

A vulnerability was found in Poppler 0.59.0 (Document Reader Software). It has been declared as problematic. Affected by this vulnerability is the function Splash::scaleImageYuXd of the file Splash.cc of the component PDF File Handler. The manipulation with an unknown input leads to a input validation vulnerability (Floating Point). The CWE definition for the vulnerability is CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. As an impact it is known to affect availability. The summary by CVE is:

In Poppler 0.59.0, a floating point exception occurs in Splash::scaleImageYuXd() in Splash.cc, which may lead to a potential attack when handling malicious PDF files.

The bug was discovered 09/13/2017. The weakness was published 09/17/2017 (Website). The advisory is shared at bugs.freedesktop.org. This vulnerability is known as CVE-2017-14520 since 09/17/2017. The attack can be launched remotely. The exploitation doesn't need any form of authentication. It demands that the victim is doing some kind of user interaction. Technical details are known, but no exploit is available.

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. The vulnerability scanner Nessus provides a plugin with the ID 103551 (Fedora 26 : poppler (2017-b29d431ac7)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Fedora Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 170482 (SUSE Enterprise Linux Security Update for poppler (SUSE-SU-2017:2952-1)).

Upgrading eliminates this vulnerability. A possible mitigation has been published 2 weeks after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (103551). Similar entries are available at 106330, 106331, 106762 and 106763.

Productinfo

Type

• Document Reader Software

Name

• Poppler

Version

• 0.59.0

License

• open-source

CPE 2.3info

• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍

CVSSv4info

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

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.5

VulDB Base Score: 3.3
VulDB Temp Score: 3.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock

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

NVD Base Score: 🔍

Exploitinginfo

Name: Floating Point
Class: Input validation / Floating Point
CWE: CWE-20
ATT&CK: Unknown

Local: No
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

Nessus ID: 103551
Nessus Name: Fedora 26 : poppler (2017-b29d431ac7)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 867773
OpenVAS Name: Fedora Update for mingw-poppler FEDORA-2017-ccb10391ad
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Timelineinfo

09/07/2017 🔍
09/13/2017 +6 days 🔍
09/17/2017 +4 days 🔍
09/17/2017 +0 days 🔍
09/17/2017 +0 days 🔍
09/18/2017 +1 days 🔍
09/28/2017 +10 days 🔍
09/29/2017 +1 days 🔍
12/29/2022 +1917 days 🔍

Sourcesinfo

Advisory: FEDORA-2017-b29d431ac7
Researcher: Rich Mirch.
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2017-14520 (🔍)
OVAL: 🔍

SecurityFocus: 100690 - IBM DB2 Multiple Local Privilege Escalation Vulnerabilities

See also: 🔍

Entryinfo

Created: 09/18/2017 11:20
Updated: 12/29/2022 10:28
Changes: 09/18/2017 11:20 (77), 05/26/2020 06:51 (7), 01/13/2021 11:20 (3), 12/29/2022 10:28 (3)
Complete: 🔍

Discussion

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