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.
6.4	$0-$5k	0.00

A vulnerability classified as critical was found in FontForge (affected version not known). This vulnerability affects the function getsid of the file parsettf.c of the component OTF File 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. CVE summarizes:

FontForge 20161012 is vulnerable to a buffer over-read in getsid (parsettf.c) resulting in DoS or code execution via a crafted otf file.

The bug was discovered 07/23/2017. The weakness was presented 07/23/2017 (Website). The advisory is shared for download at github.com. This vulnerability was named CVE-2017-11577 since 07/23/2017. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. There are known technical details, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 102785 (Debian DLA-1065-1 : fontforge security update), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 176137 (Debian Security Update for fontforge (DSA 3958-1)).

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

The vulnerability is also documented in the vulnerability database at Tenable (102785). See VDB-104419, VDB-104420, VDB-104422 and VDB-104423 for similar entries. Once again VulDB remains the best source for vulnerability data.

Productinfo

Name

• FontForge

CPE 2.3info

• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.4

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
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: 🔍

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: 102785
Nessus Name: Debian DLA-1065-1 : fontforge security update
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 53375
OpenVAS Name: Debian Security Advisory DSA 3958-1 (fontforge - security update)
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

07/23/2017 🔍
07/23/2017 +0 days 🔍
07/23/2017 +0 days 🔍
07/23/2017 +0 days 🔍
07/24/2017 +1 days 🔍
08/26/2017 +33 days 🔍
08/28/2017 +2 days 🔍
12/13/2022 +1933 days 🔍

Sourcesinfo

Advisory: 3088
Status: Not defined

CVE: CVE-2017-11577 (🔍)
GCVE (CVE): GCVE-0-2017-11577
GCVE (VulDB): GCVE-100-104428

OVAL: 🔍
See also: 🔍

Entryinfo

Created: 07/24/2017 12:19 PM
Updated: 12/13/2022 05:44 PM
Changes: 07/24/2017 12:19 PM (73), 10/31/2019 05:51 PM (3), 12/13/2022 05:44 PM (4)
Complete: 🔍
Cache ID: 18:D10:40

Discussion

Do you want to use VulDB in your project?

Use the official API to access entries easily!