FontForge OTF File char.c readttfcopyrights 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 classified as critical was found in FontForge. This vulnerability affects the function readttfcopyrights of the file char.c of the component OTF File Handler. Such manipulation leads to memory corruption. This vulnerability is documented as CVE-2017-11575. The attack needs to be performed locally. There is not any exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in FontForge (version unknown). It has been rated as critical. Affected by this issue is the function readttfcopyrights of the file char.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 buffer over-read in strnmatch (char.c) resulting in DoS or code execution via a crafted otf file, related to a call from the readttfcopyrights function in parsettf.c.

The bug was discovered 07/23/2017. The weakness was released 07/23/2017 (Website). The advisory is available at github.com. This vulnerability is handled as CVE-2017-11575 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. Technical details are known, but there is no available exploit.

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). Entries connected to this vulnerability are available at VDB-104419, VDB-104420, VDB-104422 and VDB-104423. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

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Website

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: 🔍
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: 🔍

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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: 🔍
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

Product: github.com

Advisory: 3096
Status: Not defined

CVE: CVE-2017-11575 (🔍)
GCVE (CVE): GCVE-0-2017-11575
GCVE (VulDB): GCVE-100-104426

OVAL: 🔍
See also: 🔍

Entryinfo

Created: 07/24/2017 12:19
Updated: 12/13/2022 17:29
Changes: 07/24/2017 12:19 (73), 10/31/2019 17:38 (3), 12/13/2022 17:29 (4)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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