Vulnerability-Lookup

CNVD-2015-04316

Vulnerability from cnvd - Published: 2015-07-08

Title

Android Debuggerd调试器设备内存泄露漏洞

Description

debuggerd是Android系统自带一个程序异常退出的诊断daemon。此进程可以侦测到程序崩溃，并将崩溃时的进程状态信息输出到文件和串口中。 Debuggerd 4.0 (Ice Cream Sandwich)至Lollipop (5.x)在处理精心构造的ELF文件时存在安全漏洞，可造成调试器崩溃过tombstone文件及相应的logd日志文件，攻击者可获取内存内容，从而绕过ASLR。

Severity

中

Patch Name

Android Debuggerd调试器设备内存泄露漏洞的补丁

Patch Description

debuggerd是Android系统自带一个程序异常退出的诊断daemon。此进程可以侦测到程序崩溃，并将崩溃时的进程状态信息输出到文件和串口中。Debuggerd 4.0 (Ice Cream Sandwich)至Lollipop (5.x)在处理精心构造的ELF文件时存在安全漏洞，可造成调试器崩溃过tombstone文件及相应的logd日志文件，攻击者可获取内存内容，从而绕过ASLR。目前，供应商发布了安全公告及相关补丁信息，修复了此漏洞。

Formal description

目前厂商已经发布了升级补丁以修复这个安全问题，请到厂商的主页下载： https://android.googlesource.com/platform/system/core.git/+/android-4.2.2_r1/debuggerd/debuggerd.c

Reference

http://www.linuxidc.com/Linux/2015-07/119440.htm https://android-review.googlesource.com/#/c/150831/

Impacted products

Name
['Google Android Debuggerd 5.x', 'Google Android Debuggerd 4.0']

Show details on source website

JSON

To clipboard

{
  "description": "debuggerd\u662fAndroid\u7cfb\u7edf\u81ea\u5e26\u4e00\u4e2a\u7a0b\u5e8f\u5f02\u5e38\u9000\u51fa\u7684\u8bca\u65addaemon\u3002\u6b64\u8fdb\u7a0b\u53ef\u4ee5\u4fa6\u6d4b\u5230\u7a0b\u5e8f\u5d29\u6e83\uff0c\u5e76\u5c06\u5d29\u6e83\u65f6\u7684\u8fdb\u7a0b\u72b6\u6001\u4fe1\u606f\u8f93\u51fa\u5230\u6587\u4ef6\u548c\u4e32\u53e3\u4e2d\u3002\r\n\r\nDebuggerd 4.0 (Ice Cream Sandwich)\u81f3Lollipop (5.x)\u5728\u5904\u7406\u7cbe\u5fc3\u6784\u9020\u7684ELF\u6587\u4ef6\u65f6\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u53ef\u9020\u6210\u8c03\u8bd5\u5668\u5d29\u6e83\u8fc7tombstone\u6587\u4ef6\u53ca\u76f8\u5e94\u7684logd\u65e5\u5fd7\u6587\u4ef6\uff0c\u653b\u51fb\u8005\u53ef\u83b7\u53d6\u5185\u5b58\u5185\u5bb9\uff0c\u4ece\u800c\u7ed5\u8fc7ASLR\u3002",
  "discovererName": "Trend Micro",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u7ecf\u53d1\u5e03\u4e86\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u8fd9\u4e2a\u5b89\u5168\u95ee\u9898\uff0c\u8bf7\u5230\u5382\u5546\u7684\u4e3b\u9875\u4e0b\u8f7d\uff1a\r\nhttps://android.googlesource.com/platform/system/core.git/+/android-4.2.2_r1/debuggerd/debuggerd.c",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2015-04316",
  "openTime": "2015-07-08",
  "patchDescription": "debuggerd\u662fAndroid\u7cfb\u7edf\u81ea\u5e26\u4e00\u4e2a\u7a0b\u5e8f\u5f02\u5e38\u9000\u51fa\u7684\u8bca\u65addaemon\u3002\u6b64\u8fdb\u7a0b\u53ef\u4ee5\u4fa6\u6d4b\u5230\u7a0b\u5e8f\u5d29\u6e83\uff0c\u5e76\u5c06\u5d29\u6e83\u65f6\u7684\u8fdb\u7a0b\u72b6\u6001\u4fe1\u606f\u8f93\u51fa\u5230\u6587\u4ef6\u548c\u4e32\u53e3\u4e2d\u3002Debuggerd 4.0 (Ice Cream Sandwich)\u81f3Lollipop (5.x)\u5728\u5904\u7406\u7cbe\u5fc3\u6784\u9020\u7684ELF\u6587\u4ef6\u65f6\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u53ef\u9020\u6210\u8c03\u8bd5\u5668\u5d29\u6e83\u8fc7tombstone\u6587\u4ef6\u53ca\u76f8\u5e94\u7684logd\u65e5\u5fd7\u6587\u4ef6\uff0c\u653b\u51fb\u8005\u53ef\u83b7\u53d6\u5185\u5b58\u5185\u5bb9\uff0c\u4ece\u800c\u7ed5\u8fc7ASLR\u3002\u76ee\u524d\uff0c\u4f9b\u5e94\u5546\u53d1\u5e03\u4e86\u5b89\u5168\u516c\u544a\u53ca\u76f8\u5173\u8865\u4e01\u4fe1\u606f\uff0c\u4fee\u590d\u4e86\u6b64\u6f0f\u6d1e\u3002",
  "patchName": "Android Debuggerd\u8c03\u8bd5\u5668\u8bbe\u5907\u5185\u5b58\u6cc4\u9732\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": [
      "Google Android Debuggerd  5.x",
      "Google Android Debuggerd  4.0"
    ]
  },
  "referenceLink": "http://www.linuxidc.com/Linux/2015-07/119440.htm\r\nhttps://android-review.googlesource.com/#/c/150831/",
  "serverity": "\u4e2d",
  "submitTime": "2015-07-03",
  "title": "Android Debuggerd\u8c03\u8bd5\u5668\u8bbe\u5907\u5185\u5b58\u6cc4\u9732\u6f0f\u6d1e"
}

Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

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CNVD-2015-04316

Tags

Sightings

Nomenclature