cnvd-2020-04831
Vulnerability from cnvd

Title: Sudo堆栈缓冲区溢出漏洞

Description:

Sudo是一款使用于类Unix系统的,允许用户通过安全的方式使用特殊的权限执行命令的程序。

Sudo存在堆栈缓冲区溢出漏洞。攻击者可利用漏洞需要在TGETPAST.C中向GLLN()的STDIN传递长字符串。

Severity:

Patch Name: Sudo堆栈缓冲区溢出漏洞的补丁

Patch Description:

Sudo是一款使用于类Unix系统的,允许用户通过安全的方式使用特殊的权限执行命令的程序。

Sudo存在堆栈缓冲区溢出漏洞。攻击者可利用漏洞需要在TGETPAST.C中向GLLN()的STDIN传递长字符串。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:

目前厂商已发布升级补丁以修复漏洞,补丁获取链接: https://www.sudo.ws/alerts/pwfeedback.html

Reference: https://nvd.nist.gov/vuln/detail/CVE-2019-18634

Impacted products
Name
Sudo Sudo
Show details on source website


{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2019-18634"
    }
  },
  "description": "Sudo\u662f\u4e00\u6b3e\u4f7f\u7528\u4e8e\u7c7bUnix\u7cfb\u7edf\u7684\uff0c\u5141\u8bb8\u7528\u6237\u901a\u8fc7\u5b89\u5168\u7684\u65b9\u5f0f\u4f7f\u7528\u7279\u6b8a\u7684\u6743\u9650\u6267\u884c\u547d\u4ee4\u7684\u7a0b\u5e8f\u3002\n\nSudo\u5b58\u5728\u5806\u6808\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u6f0f\u6d1e\u9700\u8981\u5728TGETPAST.C\u4e2d\u5411GLLN\uff08\uff09\u7684STDIN\u4f20\u9012\u957f\u5b57\u7b26\u4e32\u3002",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u53d1\u5e03\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u6f0f\u6d1e\uff0c\u8865\u4e01\u83b7\u53d6\u94fe\u63a5\uff1a\r\nhttps://www.sudo.ws/alerts/pwfeedback.html",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2020-04831",
  "openTime": "2020-02-12",
  "patchDescription": "Sudo\u662f\u4e00\u6b3e\u4f7f\u7528\u4e8e\u7c7bUnix\u7cfb\u7edf\u7684\uff0c\u5141\u8bb8\u7528\u6237\u901a\u8fc7\u5b89\u5168\u7684\u65b9\u5f0f\u4f7f\u7528\u7279\u6b8a\u7684\u6743\u9650\u6267\u884c\u547d\u4ee4\u7684\u7a0b\u5e8f\u3002\r\n\r\nSudo\u5b58\u5728\u5806\u6808\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u6f0f\u6d1e\u9700\u8981\u5728TGETPAST.C\u4e2d\u5411GLLN\uff08\uff09\u7684STDIN\u4f20\u9012\u957f\u5b57\u7b26\u4e32\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": "Sudo\u5806\u6808\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Sudo Sudo"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2019-18634",
  "serverity": "\u4e2d",
  "submitTime": "2020-02-04",
  "title": "Sudo\u5806\u6808\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e"
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.


Loading…

Loading…

Loading…

Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.


Loading…