VDB-109599 · CVE-2017-1000187 · Issue 36

SWFTools pdf2swf FoFiTrueType::writeTTF memory corruption

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.
6.5	$0-$5k	0.00

Summaryinfo

A vulnerability was found in SWFTools. It has been rated as critical. The affected element is the function FoFiTrueType::writeTTF of the component pdf2swf. Performing a manipulation results in memory corruption. This vulnerability is cataloged as CVE-2017-1000187. The attack must be initiated from a local position. There is no exploit available.

Detailsinfo

A vulnerability was found in SWFTools (Programming Tool Software) (version unknown). It has been classified as critical. This affects the function FoFiTrueType::writeTTF of the component pdf2swf. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

In SWFTools, an address access exception was found in pdf2swf. FoFiTrueType::writeTTF()

The bug was discovered 06/12/2017. The weakness was shared 11/17/2017 (Website). It is possible to read the advisory at github.com. This vulnerability is uniquely identified as CVE-2017-1000187 since 11/16/2017. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. It demands that the victim is doing some kind of user interaction. Technical details of the vulnerability are known, but there is no available exploit.

The vulnerability was handled as a non-public zero-day exploit for at least 157 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.

The entries VDB-109598, VDB-109597, VDB-109596 and VDB-109595 are related to this item. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Programming Tool Software

Name

SWFTools

License

open-source

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.5

VulDB Base Score: 5.3
VulDB Temp Score: 5.3
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

Class: Memory corruption
CWE: CWE-119
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

06/12/2017 🔍
11/16/2017 +157 days 🔍
11/16/2017 +0 days 🔍
11/17/2017 +1 days 🔍
11/18/2017 +1 days 🔍
01/10/2023 +1879 days 🔍

Sourcesinfo

Advisory: 36
Status: Not defined

CVE: CVE-2017-1000187 (🔍)
GCVE (CVE): GCVE-0-2017-1000187
GCVE (VulDB): GCVE-100-109599
See also: 🔍

Entryinfo

Created: 11/18/2017 08:46
Updated: 01/10/2023 16:21
Changes: 11/18/2017 08:46 (57), 12/08/2019 06:30 (1), 01/10/2023 16:21 (3)
Complete: 🔍
Cache ID: 216::103