Vulnerability Name:

CCN-5526

Published:2000-11-01
Updated:2000-11-01
Summary:Many Unix and Linux could allow an attacker to view another user's email messages and possibly gain root privileges. An attacker can send an email message with a specially-crafted string, containing pipe character in the Reply-To: field. If the recipient uses the mail program to reply to the malicious email message, the attacker can gain the privileges of the recipient (possibly root).
CVSS v3 Severity:10.0 Critical (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Changed
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
CVSS v2 Severity:10.0 High (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
Vulnerability Consequences:Gain Privileges
References:Source: CCN
Type: BugTraq Mailing List, Wed Nov 01 2000 - 12:57:10 CST
vulnerability in mail.local

Source: CCN
Type: BugTraq Mailing List, Wed Nov 01 2000 - 22:13:13 CST
Re: vulnerability in mail.local

Source: CCN
Type: BugTraq Mailing List, Sun Nov 05 2000 - 15:56:17 CST
mail Reply-To field exploit

Source: XF
Type: UNKNOWN
mail-replyto-gain-root(5526)

Vulnerable Configuration:Configuration CCN 1:
  • cpe:/o:linux:linux_kernel:*:*:*:*:*:*:*:*
  • OR cpe:/o:unix:unix:*:*:*:*:*:*:*:*

  • * Denotes that component is vulnerable
    BACK
    linux linux kernel *
    unix unix *