CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
6.4 | $0-$5k | 0.00 |
A vulnerability was found in Apple Xcode up to 6.2 (Programming Tool Software). It has been declared as critical. This vulnerability affects an unknown function of the component LLVM. The manipulation with an unknown input leads to a access control vulnerability. The CWE definition for the vulnerability is CWE-264. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:
Clang in LLVM, as used in Apple Xcode before 6.3, performs incorrect register allocation in a way that triggers stack storage for stack cookie pointers, which might allow context-dependent attackers to bypass a stack-guard protection mechanism via crafted input to an affected C program.
The weakness was presented 04/10/2015 with Apple (Website). The advisory is shared for download at support.apple.com. This vulnerability was named CVE-2015-3027 since 04/08/2015. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1068.
The commercial vulnerability scanner Qualys is able to test this issue with plugin 370200 (Apple Xcode v6.3 Not Installed (APPLE-SA-2015-04-08-5)).
Upgrading to version 6.3 eliminates this vulnerability.
The vulnerability is also documented in the vulnerability database at X-Force (102247). See 74688 for similar entry.
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: 6.4
VulDB Base Score: 7.3
VulDB Temp Score: 6.4
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: Access controlCWE: CWE-264
ATT&CK: T1068
Local: No
Remote: Yes
Availability: 🔍
Status: Unproven
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
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Today | unlock | unlock | unlock | unlock |
Qualys ID: 🔍
Qualys Name: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: Xcode 6.3
Timeline
04/08/2015 🔍04/08/2015 🔍
04/10/2015 🔍
04/10/2015 🔍
04/10/2015 🔍
04/11/2015 🔍
04/11/2015 🔍
04/27/2015 🔍
06/27/2017 🔍
Sources
Vendor: apple.comAdvisory: support.apple.com
Organization: Apple
Status: Confirmed
Confirmation: 🔍
CVE: CVE-2015-3027 (🔍)
X-Force: 102247 - Apple Xcode clang security bypass
SecurityTracker: 1032081 - Apple Xcode Clang Stack Cookie Error May Let Users Bypass Stack Guard Protection Mechanisms
Vulnerability Center: 49898 - Apple Xcode <6.3 Remote Security Bypass in LLVM Clang, Medium
SecurityFocus: 73987 - Apple Xcode 'clang' Local Security Bypass Vulnerability
See also: 🔍
Entry
Created: 04/12/2015 01:53Updated: 06/27/2017 03:56
Changes: 04/12/2015 01:53 (68), 06/27/2017 03:56 (4)
Complete: 🔍
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