FontForge OTF File parsettf.c readcffset memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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6.4$0-$5k0.00

Summaryinfo

A vulnerability was found in FontForge. It has been rated as critical. Affected by this issue is the function readcffset of the file parsettf.c of the component OTF File Handler. The manipulation leads to memory corruption. This vulnerability is handled as CVE-2017-11574. An attack has to be approached locally. There is no exploit available. It is recommended to upgrade the affected component. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Detailsinfo

A vulnerability was found in FontForge (version now known). It has been declared as critical. Affected by this vulnerability is the function readcffset 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. The summary by CVE is:

FontForge 20161012 is vulnerable to a heap-based buffer overflow in readcffset (parsettf.c) resulting in DoS or code execution via a crafted otf file.

The bug was discovered 07/23/2017. The weakness was published 07/23/2017 (Website). The advisory is shared at github.com. This vulnerability is known as CVE-2017-11574 since 07/23/2017. 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 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). Similar entries are available at VDB-104419, VDB-104420, VDB-104422 and VDB-104423. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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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

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

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EPSS Percentile: 🔍

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Current Price Estimation: 🔍

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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: 🔍
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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
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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: 3090
Status: Not defined

CVE: CVE-2017-11574 (🔍)
GCVE (CVE): GCVE-0-2017-11574
GCVE (VulDB): GCVE-100-104425

OVAL: 🔍
See also: 🔍

Entryinfo

Created: 07/24/2017 12:18 PM
Updated: 12/13/2022 05:22 PM
Changes: 07/24/2017 12:18 PM (72), 10/31/2019 05:34 PM (3), 12/13/2022 05:22 PM (4)
Complete: 🔍
Cache ID: 18:4E4:40

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