VDB-78746 · CVE-2015-6979 · HT205370

Apple iOS up to 9.0 GasGauge memory corruption

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
9.5	$25k-$100k	0.00

Summaryinfo

A vulnerability labeled as critical has been found in Apple iOS up to 9.0. This affects an unknown function of the component GasGauge. Such manipulation leads to memory corruption. This vulnerability is documented as CVE-2015-6979. There is not any exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Apple iOS up to 9.0 (Smartphone Operating System) and classified as very critical. Affected by this issue is an unknown part of the component GasGauge. 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. CVE summarizes:

GasGauge in Apple iOS before 9.1 allows attackers to execute arbitrary code in a privileged context or cause a denial of service (memory corruption) via a crafted app.

The weakness was released 10/21/2015 with PanguTeam as HT205370 as confirmed advisory (Website). The advisory is available at support.apple.com. This vulnerability is handled as CVE-2015-6979 since 09/16/2015. The exploitation is known to be difficult. The attack may be launched remotely. No form of authentication is required for exploitation. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $25k-$100k 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:

A memory corruption issue existed in the kernel. This issue was addressed through improved memory handling.

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 databases at SecurityFocus (BID 77268†) and Vulnerability Center (SBV-55158†). Entries connected to this vulnerability are available at VDB-78724, VDB-78725, VDB-78727 and VDB-78728. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Smartphone Operating System

Vendor

Apple

Name

Version

License

commercial

Website

Vendor: https://www.apple.com/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 10.0
VulDB Meta Temp Score: 9.5

VulDB Base Score: 10.0
VulDB Temp Score: 9.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
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

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: iOS 9.1

Timelineinfo

09/16/2015 🔍
10/21/2015 +35 days 🔍
10/21/2015 +0 days 🔍
10/21/2015 +0 days 🔍
10/22/2015 +1 days 🔍
10/23/2015 +1 days 🔍
12/10/2015 +48 days 🔍
06/24/2022 +2388 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT205370
Organization: PanguTeam
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2015-6979 (🔍)
GCVE (CVE): GCVE-0-2015-6979
GCVE (VulDB): GCVE-100-78746
SecurityFocus: 77268
SecurityTracker: 1033929
Vulnerability Center: 55158 - Apple iOS <9.1 Remote Code Execution in GasGauge, Critical

scip Labs: https://www.scip.ch/en/?labs.20150917
See also: 🔍

Entryinfo

Created: 10/22/2015 10:29
Updated: 06/24/2022 04:21
Changes: 10/22/2015 10:29 (59), 05/14/2018 09:26 (8), 06/24/2022 04:21 (2)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.