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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: 中
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 |
---|
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CVE-2019-18634 (GCVE-0-2019-18634)
Vulnerability from cvelistv5
Published
2020-01-29 17:23
Modified
2024-08-05 01:54
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- n/a
Summary
In Sudo before 1.8.26, if pwfeedback is enabled in /etc/sudoers, users can trigger a stack-based buffer overflow in the privileged sudo process. (pwfeedback is a default setting in Linux Mint and elementary OS; however, it is NOT the default for upstream and many other packages, and would exist only if enabled by an administrator.) The attacker needs to deliver a long string to the stdin of getln() in tgetpass.c.
References
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"x_refsource_SUSE", "x_transferred" ], "url": "http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00029.html" }, { "name": "FEDORA-2020-8b563bc5f4", "tags": [ "vendor-advisory", "x_refsource_FEDORA", "x_transferred" ], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IY6DZ7WMDKU4ZDML6MJLDAPG42B5WVUC/" }, { "name": "RHSA-2020:0726", "tags": [ "vendor-advisory", "x_refsource_REDHAT", "x_transferred" ], "url": "https://access.redhat.com/errata/RHSA-2020:0726" }, { "name": "GLSA-202003-12", "tags": [ "vendor-advisory", "x_refsource_GENTOO", "x_transferred" ], "url": "https://security.gentoo.org/glsa/202003-12" }, { "name": "FEDORA-2020-7c1b270959", "tags": [ "vendor-advisory", "x_refsource_FEDORA", "x_transferred" ], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/I6TKF36KOQUVJNBHSVJFA7BU3CCEYD2F/" } ], "title": "CVE Program Container" } ], "cna": { "affected": [ { 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Sightings
Author | Source | Type | Date |
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Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
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