CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
7.0 | $5k-$25k | 0.00 |
A vulnerability, which was classified as critical, has been found in Apple iOS up to 8.4.1 (Smartphone Operating System). This issue affects some unknown functionality of the component removefile. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality, integrity, and availability. The summary by CVE is:
The checkint division routines in removefile in Apple iOS before 9 allow attackers to cause a denial of service (overflow fault and app crash) via crafted data.
The weakness was disclosed 09/16/2015 by Filippo Bigarella (beist) as HT205212 as confirmed advisory (Website). It is possible to read the advisory at support.apple.com. The identification of this vulnerability is CVE-2015-5840 since 08/06/2015. The exploitation is known to be difficult. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 06/16/2022). It is expected to see the exploit prices for this product increasing in the near future.
The vulnerability scanner Nessus provides a plugin with the ID 86270 (Mac OS X < 10.11 Multiple Vulnerabilities (GHOST)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family MacOS X Local Security Checks.
Upgrading to version 9 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.
The vulnerability is also documented in the vulnerability database at Tenable (86270). The entries 9015, 68413, 74127 and 77828 are pretty similar.
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: 7.3VulDB Meta Temp Score: 7.0
VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
AV | AC | Au | C | I | A |
---|---|---|---|---|---|
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
---|---|---|---|---|---|
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
CAPEC: 🔍
ATT&CK: 🔍
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
---|---|---|---|---|
Today | unlock | unlock | unlock | unlock |
Nessus ID: 86270
Nessus Name: Mac OS X < 10.11 Multiple Vulnerabilities (GHOST)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍
Upgrade: iOS 9
Timeline
08/06/2015 🔍09/16/2015 🔍
09/16/2015 🔍
09/16/2015 🔍
09/18/2015 🔍
09/18/2015 🔍
06/16/2022 🔍
Sources
Vendor: apple.comAdvisory: HT205212
Researcher: Filippo Bigarella (beist)
Status: Confirmed
Confirmation: 🔍
CVE: CVE-2015-5840 (🔍)
SecurityTracker: 1033609
SecurityFocus: 76764 - Apple iOS APPLE-SA-2015-09-16-1 Multiple Security Vulnerabilities
scip Labs: https://www.scip.ch/en/?labs.20150917
See also: 🔍
Entry
Created: 09/18/2015 13:09Updated: 06/16/2022 09:06
Changes: 09/18/2015 13:09 (47), 12/25/2017 12:32 (20), 06/16/2022 09:02 (3), 06/16/2022 09:06 (1)
Complete: 🔍
Cache ID: 3:B76:103
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