Mozilla Firefox up to 53.0.3 Graphite2 Library read_glyph memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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6.2$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in Mozilla Firefox up to 53.0.3. The impacted element is the function graphite2::GlyphCache::Loader::read_glyph of the component Graphite2 Library. This manipulation causes memory corruption. This vulnerability appears as CVE-2017-7777. The attack may be initiated remotely. There is no available exploit. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability has been found in Mozilla Firefox up to 53.0.3 (Web Browser) and classified as problematic. Affected by this vulnerability is the function graphite2::GlyphCache::Loader::read_glyph of the component Graphite2 Library. 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 availability. The summary by CVE is:

Use of uninitialized memory in Graphite2 library in Firefox before 54 in graphite2::GlyphCache::Loader::read_glyph function.

The bug was discovered 06/13/2017. The weakness was presented 04/15/2019 as MFSA 2017-15 as confirmed security advisory (Website). The advisory is shared at mozilla.org. This vulnerability is known as CVE-2017-7777 since 04/12/2017. 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 was handled as a non-public zero-day exploit for at least 9 days. During that time the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 101011 (Debian DSA-3894-1 : graphite2 - 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 176060 (Debian Security Update for firefox-esr (DSA 3881-1)).

Upgrading to version 54.0 eliminates this vulnerability. A possible mitigation has been published even before and not after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (101011). See VDB-102487, VDB-102488, VDB-102489 and VDB-102490 for similar entries. 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: 6.6
VulDB Meta Temp Score: 6.4

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
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: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 101011
Nessus Name: Debian DSA-3894-1 : graphite2 - security update
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 881932
OpenVAS Name: CentOS Update for graphite2 CESA-2017:1793 centos7
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Firefox 54.0

Timelineinfo

04/12/2017 🔍
06/13/2017 +62 days 🔍
06/22/2017 +9 days 🔍
06/23/2017 +1 days 🔍
04/15/2019 +661 days 🔍
04/16/2019 +1 days 🔍
05/29/2020 +409 days 🔍

Sourcesinfo

Vendor: mozilla.org
Product: mozilla.org

Advisory: MFSA 2017-15
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2017-7777 (🔍)
GCVE (CVE): GCVE-0-2017-7777
GCVE (VulDB): GCVE-100-133393

OVAL: 🔍
See also: 🔍

Entryinfo

Created: 04/16/2019 10:18
Updated: 05/29/2020 16:49
Changes: 04/16/2019 10:18 (78), 05/29/2020 16:49 (2)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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