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Whatsapp CVE-2019-11927

HIGH
Integer Overflow or Wraparound (CWE-190)
2019-09-27 cve-assign@fb.com
Google Integer Overflow Apple Buffer Overflow Whatsapp
7.8
CVSS 3.1 · NVD
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Severity by source

NVD PRIMARY
7.8 HIGH
AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

1
CVE Published
Sep 27, 2019 - 21:15 nvd
HIGH 7.8

DescriptionNVD

An integer overflow in WhatsApp media parsing libraries allows a remote attacker to perform an out-of-bounds write on the heap via specially-crafted EXIF tags in WEBP images. This issue affects WhatsApp for Android before version 2.19.143 and WhatsApp for iOS before version 2.19.100.

AnalysisAI

An integer overflow in WhatsApp media parsing libraries allows a remote attacker to perform an out-of-bounds write on the heap via specially-crafted EXIF tags in WEBP images.19.143 and WhatsApp for. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified as Integer Overflow (CWE-190), which allows attackers to cause unexpected behavior through arithmetic overflow. An integer overflow in WhatsApp media parsing libraries allows a remote attacker to perform an out-of-bounds write on the heap via specially-crafted EXIF tags in WEBP images.19.143 and WhatsApp for iOS before version 2.19.100. Affected products include: Whatsapp. Version information: version 2.19.143.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Validate arithmetic operations, use safe integer libraries, check bounds before allocation.

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Same weakness CWE-190 – Integer Overflow or Wraparound

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CVE-2014-0569 CRITICAL POC
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CVE-2017-3599 HIGH POC
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CVE-2017-7529 HIGH
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CVE-2016-1010 HIGH
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CVE-2013-3940 CRITICAL
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Same technique Integer Overflow

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CVE-2014-0497 CRITICAL POC
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CVE-2012-5054 HIGH POC
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CVE-2014-0569 CRITICAL POC
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CVE-2019-11927 vulnerability details – vuln.today
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