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CVE-2017-5436

Out-of-bounds write in Mozilla Firefox

CVSS score

8.8

EPSS probability

%2.4

Risk score

0.2

Published

8 y ago

OverviewPublic Exploits (0)NewsroomVulnerability Timeline
Patch status has not yet been verified

Resmî kaynaklarda yeterli kanıt bulunamadı. Bu sonuç “yama yok” anlamına gelmez.

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Vulnerability description

DayBreach CVE AI Research

CVE-2017-5436 has vendor, distribution, patch and security-source records on file. We can compare them and prepare an explanation linked to the evidence.

An out-of-bounds write in the Graphite 2 library triggered with a maliciously crafted Graphite font. This results in a potentially exploitable crash. This issue was fixed in the Graphite 2 library as well as Mozilla products. This vulnerability affects Thunderbird < 52.1, Firefox ESR < 45.9, Firefox ESR < 52.1, and Firefox < 53.

IMPACT: Affected Products and Software

Affected Products

The following products are affected by CVE-2017-5436 vulnerability. Where our threat engine knows the exact affected versions, they are listed below.

IDVENDORPRODUCTACTION
1debiandebian linux View
2redhatenterprise linux View
3redhatenterprise linux View
4redhatenterprise linux desktop View
5redhatenterprise linux desktop View
6redhatenterprise linux server View
7redhatenterprise linux server View
8redhatenterprise linux server aus View
9redhatenterprise linux server aus View
10redhatenterprise linux server eus View
11redhatenterprise linux server eus View
12redhatenterprise linux server eus View
13redhatenterprise linux workstation View
14redhatenterprise linux workstation View
15silgraphite2 View
16mozillafirefox View
17mozillafirefox View
18mozillathunderbird View
Total affected vendors: 4|Products: 18

RED HAT CSAF/VEX: Product Impact Check

Red Hat has not yet published a CSAF/VEX impact record for this CVE. This does not mean “not affected”.

SCORING: CVSS from Multiple Sources

CVSS Scores

The Common Vulnerability Scoring System is a standardised framework for assessing the severity of vulnerabilities in software and systems. We collect and display CVSS scores from several sources for each CVE.

SCOREVERSIONSEVERITYVECTORSOURCE
8.8CVSS V31HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HNVD
6.8CVSS V2—AV:N/AC:M/Au:N/C:P/I:P/A:PNVD

Patch and Remediation Guide

Solution & Remediation Advisory

Patch status unknown

İncelenen resmî kaynaklarda yama durumu doğrulanamadı. Bu sonuç “yama yok” anlamına gelmez.

Confirm the affected product and version against the source evidence above.
Restrict access to internet-facing services and apply network segmentation.
Until a patch is confirmed, follow the vendor advisory; do not read an unknown status as “no patch”.
Monitor server logs and network endpoints for signs of anomalous execution.

Public exploit and active exploitation status

Verified exploit intelligence

No verified public PoC, exploit repository or Metasploit module has been found for this CVE yet.

Weakness Classification and Attack Patterns (CWE & CAPEC)

CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorises the common flaws or weaknesses that can lead to vulnerabilities. CVE-2017-5436 is associated with the following CWEs:

CWE-787: Out-of-bounds Write

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2017-5436 weaknesses.

CAPEC-66: SQL InjectionCAPEC-126: Path TraversalCAPEC-28: OS Command Injection

Attack Vector and Accessibility

ExposureAğ üzerinden
PermissionsGerekmiyor
UserGerekiyor

Official Sources and Advisories

http://www.securityfocus.com/bid/97940nvdhttp://www.securitytracker.com/id/1038320nvdhttps://access.redhat.com/errata/RHSA-2017:1104nvdhttps://access.redhat.com/errata/RHSA-2017:1106nvdhttps://access.redhat.com/errata/RHSA-2017:1201nvdhttps://bugzilla.mozilla.org/show_bug.cgi?id=1345461vendor-advisoryhttps://security.gentoo.org/glsa/201706-25nvdhttps://www.debian.org/security/2017/dsa-3831nvdhttps://www.mozilla.org/security/advisories/mfsa2017-10/vendor-advisoryhttps://www.mozilla.org/security/advisories/mfsa2017-11/vendor-advisory

CVSS Vector Radar Chart

8.8 / 10
Attack VectorNetworkComplexityLowPrivilegesNoneUser Interact.RequiredConfidentialityLowIntegrityHighAvailabilityHigh

Vulnerability Scoring Details

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone required
User Interaction—
Confidentiality (Gizlilik)Low
Integrity (Bütünlük)High
Availability (Erişilebilirlik)High

Yama durumu bilinmiyor

İncelenen resmî kaynaklarda yama durumu doğrulanamadı. Bu sonuç “yama yok” anlamına gelmez.

Follow the vendor

D
debian logo
debian
R
redhat logo
redhat
S
sil logo
sil
M
mozilla logo
mozilla

Weakness Type (CWE & CAPEC)

CWE-787

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