CVE-2013-0771
説明
CVE.org より
Heap-based buffer overflow in the gfxTextRun::ShrinkToLigatureBoundaries function in Mozilla Firefox before 18.0, Firefox ESR 17.x before 17.0.1, Thunderbird before 17.0.2, Thunderbird ESR 17.x before 17.0.1, and SeaMonkey before 2.15 allows remote attackers to execute arbitrary code via a crafted document.
詳細
Not Vulnerable. This issue does not affect the version of firefox and thunderbird as shipped with Red Hat Enterprise Linux 5 and 6
CVSS (Common Vulnerability Scoring System) のスコアの詳細
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).
以下の CSVV メトリクスおよびスコアは予備的で、再検討の対象となります。
CVSS v2 スコアの内訳
| Red Hat | NVD | cve.org | |
|---|---|---|---|
| ベーススコア | 6.8 | 9.3 | N/A |
| 攻撃ベクトル | Network | Network | N/A |
| アクセスの複雑さ | Medium | Medium | N/A |
| 認証 | None | None | N/A |
| 機密性への影響 | Partial | Complete | N/A |
| 完全性への影響 | Partial | Complete | N/A |
| 可用性への影響 | Partial | Complete | N/A |
ベクトル
Red Hat: AV:N/AC:M/Au:N/C:P/I:P/A:P
NVD: AV:N/AC:M/Au:N/C:C/I:C/A:C
脆弱性の原因 (CWE) の理解
Integrity
Technical Impact: Modify Memory; Execute Unauthorized Code or Commands
Write operations could cause memory corruption. In some cases, an adversary can modify control data such as return addresses in order to execute unexpected code.
Availability
Technical Impact: DoS: Crash, Exit, or Restart
Attempting to access out-of-range, invalid, or unauthorized memory could cause the product to crash.
Other
Technical Impact: Unexpected State
Subsequent write operations can produce undefined or unexpected results.
謝辞
Red Hat would like to thank Mozilla project for reporting this issue.
よくある質問
Not sure what something means? Check out our Security Glossary.
エラータ通知の受信を希望しますか? こちらで登録してください。
