Facebook WhatsApp on Android/iOS Media Parsing Library out-of-bounds write
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 6.7 | $0-$5k | 0.00 |
Summary
A vulnerability labeled as critical has been found in Facebook WhatsApp on Android/iOS. This vulnerability affects unknown code of the component Media Parsing Library. Executing a manipulation can lead to out-of-bounds write. The identification of this vulnerability is CVE-2019-11927. The attack may be launched remotely. There is no exploit available. The affected component should be upgraded.
Details
A vulnerability was found in Facebook WhatsApp on Android/iOS (Social Network Software) (the affected version unknown). It has been declared as critical. This vulnerability affects an unknown part of the component Media Parsing Library. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. The CWE definition for the vulnerability is CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:
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.
The weakness was shared 09/27/2019 (Website). The advisory is shared for download at facebook.com. This vulnerability was named CVE-2019-11927 since 05/13/2019. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available.
Upgrading eliminates this vulnerability.
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Product
Type
Vendor
Name
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 7.0VulDB Meta Temp Score: 6.9
VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 7.8
NVD Vector: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
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| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
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| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Out-of-bounds writeCWE: CWE-787 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍
Physical: Partially
Local: Yes
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
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Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Timeline
05/13/2019 🔍09/27/2019 🔍
09/28/2019 🔍
09/14/2020 🔍
Sources
Advisory: facebook.comStatus: Not defined
Confirmation: 🔍
CVE: CVE-2019-11927 (🔍)
GCVE (CVE): GCVE-0-2019-11927
GCVE (VulDB): GCVE-100-142684
scip Labs: https://www.scip.ch/en/?labs.20130704
Entry
Created: 09/28/2019 17:45Updated: 09/14/2020 09:10
Changes: 09/28/2019 17:45 (56), 09/14/2020 09:10 (1)
Complete: 🔍
Cache ID: 216::103
Once again VulDB remains the best source for vulnerability data.
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