CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
7.0 | $5k-$25k | 0.00 |
A vulnerability was found in Apple iOS up to 9.0 (Smartphone Operating System). It has been declared as critical. Affected by this vulnerability is an unknown part of the component FontParser. The manipulation as part of a Font File 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 weakness was shared 10/21/2015 by John Villamil with Yahoo Pentest Team as HT205370 as confirmed advisory (Website). It is possible to read the advisory at support.apple.com. This vulnerability is known as CVE-2015-6990 since 09/16/2015. The exploitation appears to be difficult. The attack can be launched remotely. The exploitation doesn't need any form of authentication. 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 06/24/2022). It is expected to see the exploit prices for this product increasing in the near future. The advisory points out:
Multiple memory corruption issues existed in the handling of font files. These issues were addressed through improved bounds checking.
The vulnerability scanner Nessus provides a plugin with the ID 86654 (Mac OS X < 10.11.1 Multiple Vulnerabilities), 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 9.1 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 (86654). The entries 77709, 78724, 78725 and 78727 are related to this item.
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 |
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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: 86654
Nessus Name: Mac OS X < 10.11.1 Multiple Vulnerabilities
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 9.1
Timeline
09/16/2015 🔍10/21/2015 🔍
10/21/2015 🔍
10/22/2015 🔍
10/23/2015 🔍
06/24/2022 🔍
Sources
Vendor: apple.comAdvisory: HT205370
Researcher: John Villamil
Organization: Yahoo Pentest Team
Status: Confirmed
Confirmation: 🔍
CVE: CVE-2015-6990 (🔍)
SecurityTracker: 1033929
SecurityFocus: 77263
scip Labs: https://www.scip.ch/en/?labs.20150917
See also: 🔍
Entry
Created: 10/22/2015 10:29Updated: 06/24/2022 02:37
Changes: 10/22/2015 10:29 (55), 02/12/2018 08:49 (9), 06/24/2022 02:29 (4), 06/24/2022 02:37 (1)
Complete: 🔍
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