FontForge OTF File parsettf.c readttfcopyrights memory corruption

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

A vulnerability, which was classified as critical, has been found in FontForge (affected version unknown). Affected by this issue is the function readttfcopyrights of the file parsettf.c of the component OTF File Handler. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality, integrity, and availability. CVE summarizes:

FontForge 20161012 is vulnerable to a heap-based buffer over-read in readttfcopyrights (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 for download at github.com. This vulnerability is handled as CVE-2017-11569 since 07/23/2017. The attack may be launched remotely. No form of authentication is required for 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). Similar entries are available at VDB-104419, VDB-104422, VDB-104423 and VDB-104425. If you want to get best quality of vulnerability data, you may have to visit VulDB.

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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
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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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Nessus ID: 102785
Nessus Name: Debian DLA-1065-1 : fontforge security update
Nessus File: 🔍
Nessus Risk: 🔍
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OpenVAS ID: 53375
OpenVAS Name: Debian Security Advisory DSA 3958-1 (fontforge - security update)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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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: 3093
Status: Not defined

CVE: CVE-2017-11569 (🔍)
GCVE (CVE): GCVE-0-2017-11569
GCVE (VulDB): GCVE-100-104420

OVAL: 🔍
See also: 🔍

Entryinfo

Created: 07/24/2017 12:17 PM
Updated: 12/13/2022 04:45 PM
Changes: 07/24/2017 12:17 PM (73), 10/31/2019 04:59 PM (3), 12/13/2022 04:45 PM (4)
Complete: 🔍
Cache ID: 18:D1E:40

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