CVE-2010-1119
개요
CVE.org에서
Use-after-free vulnerability in WebKit in Apple Safari before 5.0 on Mac OS X 10.5 through 10.6 and Windows, Safari before 4.1 on Mac OS X 10.4, and Safari on Apple iPhone OS allows remote attackers to execute arbitrary code or cause a denial of service (application crash), or read the SMS database or other data, via vectors related to "attribute manipulation," as demonstrated by Vincenzo Iozzo and Ralf Philipp Weinmann during a Pwn2Own competition at CanSecWest 2010.
CVSS (Common Vulnerability Scoring System) 점수 세부 사항
Info alert:Important note
CVSS scores for open source components depend on vendor-specific factors (e.g. version or build chain). Therefore, Red Hat's score and impact rating can be different from NVD and other vendors. Red Hat remains the authoritative CVE Naming Authority (CNA) source for its products and services (see Red Hat classifications).
다음의 CVSS 지표 및 점수는 예비 정보로 검토 대상입니다.
CVSS v2 점수 분석
| Red Hat | NVD | cve.org | |
|---|---|---|---|
| 기본 점수 | 6.8 | 10 | N/A |
| 공격 벡터 | Network | Network | N/A |
| 액세스 복잡성 | Medium | Low | N/A |
| 인증 | None | None | N/A |
| 기밀성에 미치는 영향 | Partial | Complete | N/A |
| 무결성에 미치는 영향 | Partial | Complete | N/A |
| 가용성에 미치는 영향 | Partial | Complete | N/A |
벡터
Red Hat: AV:N/AC:M/Au:N/C:P/I:P/A:P
NVD: AV:N/AC:L/Au:N/C:C/I:C/A:C
취약점 이해 (CWE)
Integrity
Technical Impact: Modify Memory
The use of previously freed memory may corrupt valid data, if the memory area in question has been allocated and used properly elsewhere.
Availability
Technical Impact: DoS: Crash, Exit, or Restart
If chunk consolidation occurs after the use of previously freed data, the process may crash when invalid data is used as chunk information.
Confidentiality
Technical Impact: Read Memory
Read operations on freed memory can sometimes leak sensitive information instead of causing a crash
Integrity,Confidentiality,Availability
Technical Impact: Execute Unauthorized Code or Commands
If malicious data is entered before chunk consolidation can take place, it may be possible to take advantage of a write-what-where primitive to execute arbitrary code. If the newly allocated data happens to hold a class, in C++ for example, various function pointers may be scattered within the heap data. If one of these function pointers is overwritten with an address to valid shellcode, execution of arbitrary code can be achieved.
감사의 말
Red Hat would like to thank Drew Yao (Apple Product Security) for reporting this issue. Upstream acknowledges Ralf Philipp Weinmann (TippingPoint's Zero Day Initiative) as the original reporter.
