CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
7.4 | $5k-$25k | 0.00 |
A vulnerability classified as critical was found in Apple iOS up to 11.1 (Smartphone Operating System). Affected by this vulnerability is an unknown functionality of the component WebKit. 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 confidentiality, integrity, and availability. The summary by CVE is:
An issue was discovered in certain Apple products. iOS before 11.2 is affected. Safari before 11.0.2 is affected. iCloud before 7.2 on Windows is affected. iTunes before 12.7.2 on Windows is affected. tvOS before 11.2 is affected. watchOS before 4.2 is affected. The issue involves the "WebKit" component. It allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption and application crash) via a crafted web site.
The bug was discovered 01/22/2018. The weakness was presented 04/03/2018 by Jeonghoon Shin (OSS-Fuzz) with Theori (Website). It is possible to read the advisory at usn.ubuntu.com. This vulnerability is known as CVE-2017-13884 since 08/30/2017. 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. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 02/26/2023). It is expected to see the exploit prices for this product increasing in the near future.
The vulnerability was handled as a non-public zero-day exploit for at least 11 days. During that time the estimated underground price was around $25k-$100k. The vulnerability scanner Nessus provides a plugin with the ID 106594 (Fedora 26 : webkitgtk4 (2018-43712163de)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Fedora Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 171677 (SUSE Enterprise Linux Security Update for webkit2gtk3 (SUSE-SU-2018:3387-1)).
Upgrading to version 11.2 eliminates this vulnerability. A possible mitigation has been published before and not just after the disclosure of the vulnerability.
The vulnerability is also documented in the vulnerability database at Tenable (106594). See 110748, 110749, 110750 and 110751 for similar entries.
Product
Type
Vendor
Name
Version
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 7.5VulDB Meta Temp Score: 7.4
VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 8.8
NVD Vector: 🔍
CVSSv2
AV | AC | Au | C | I | A |
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Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Memory corruptionCWE: CWE-119
ATT&CK: Unknown
Local: No
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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Today | unlock | unlock | unlock | unlock |
Nessus ID: 106594
Nessus Name: Fedora 26 : webkitgtk4 (2018-43712163de)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
OpenVAS ID: 54558
OpenVAS Name: Fedora Update for webkitgtk4 FEDORA-2018-43712163de
OpenVAS File: 🔍
OpenVAS Family: 🔍
Qualys ID: 🔍
Qualys Name: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: iOS 11.2
Timeline
08/30/2017 🔍01/22/2018 🔍
01/23/2018 🔍
02/02/2018 🔍
02/05/2018 🔍
04/03/2018 🔍
04/03/2018 🔍
04/03/2018 🔍
02/26/2023 🔍
Sources
Vendor: apple.comAdvisory: FEDORA-2018-43712163de
Researcher: Jeonghoon Shin (OSS-Fuzz)
Organization: Theori
Status: Confirmed
Confirmation: 🔍
CVE: CVE-2017-13884 (🔍)
SecurityFocus: 102775 - WebKit Multiple Memory Corruption Vulnerabilities
scip Labs: https://www.scip.ch/en/?labs.20150917
See also: 🔍
Entry
Created: 04/03/2018 14:32Updated: 02/26/2023 09:43
Changes: 04/03/2018 14:32 (77), 01/20/2020 11:40 (7), 02/26/2023 09:39 (4), 02/26/2023 09:43 (1)
Complete: 🔍
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