Vulnerability Name:

CVE-2001-1555 (CCN-23896)

Assigned:2001-12-31
Published:2001-12-31
Updated:2018-10-30
Summary:pt_chmod in Solaris 8 does not call fdetach to reset terminal privileges when users log out of terminals, which allows local users to write to other users' terminals by modifying the ACL of a TTY.
CVSS v3 Severity:5.9 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): Low
Integrity (I): Low
Availibility (A): Low
CVSS v2 Severity:4.6 Medium (CVSS v2 Vector: AV:L/AC:L/Au:N/C:P/I:P/A:P)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
4.6 Medium (CCN CVSS v2 Vector: AV:L/AC:L/Au:N/C:P/I:P/A:P)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
Vulnerability Type:CWE-Other
Vulnerability Consequences:Gain Privileges
References:Source: MITRE
Type: CNA
CVE-2001-1555

Source: CCN
Type: SECTRACK ID: 1002732
Sun Solaris pt_chmod Access Control Vulnerability Lets Local Users Obtain Write Access to Another User`s TTY

Source: SECTRACK
Type: Exploit, Vendor Advisory
1002732

Source: CCN
Type: SECTRACK ID: 1004035
(Vendor Issues Fix) Re: Sun Solaris pt_chmod Access Control Vulnerability Lets Local Users Obtain Write Access to Another Users TTY

Source: SECTRACK
Type: Patch, Vendor Advisory
1004035

Source: CCN
Type: Sun Alert ID: 43929
Synopsis: Security Issue When Setting ACLs on Character Terminals With Solaris

Source: SUNALERT
Type: Patch, Vendor Advisory
43929

Source: CCN
Type: OSVDB ID: 20283
Solaris pt_chmod Arbitrary User Terminal Write

Source: BID
Type: Patch
3522

Source: CCN
Type: BID-3522
Solaris PT_CHMOD Arbitrary Terminal Writing Vulnerability

Source: XF
Type: UNKNOWN
solaris-acl-gain-privileges(23896)

Vulnerable Configuration:Configuration 1:
  • cpe:/o:sun:solaris:8.0:*:x86:*:*:*:*:*
  • OR cpe:/o:sun:sunos:5.8:*:*:*:*:*:*:*

  • Configuration CCN 1:
  • cpe:/o:sun:solaris:8:*:sparc:*:*:*:*:*
  • OR cpe:/o:sun:solaris:10:*:x86:*:*:*:*:*

  • * Denotes that component is vulnerable
    BACK
    sun solaris 8.0
    sun sunos 5.8
    sun solaris 8
    sun solaris 10