CVE-2005-4890
HIGH
7.8
CVSS Score
Published: November 4, 2019 at 06:38 PM UTC
Updated: June 16, 2026 at 10:19 PM UTC
4 products affected across 3 vendorsDebian LinuxEnterprise LinuxSudo
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Severity
HIGH7.8
Exploit prediction
EPSS 0.6%
Description
There is a possible tty hijacking in shadow 4.x before 4.1.5 and sudo 1.x before 1.7.4 via "su - user -c program". The user session can be escaped to the parent session by using the TIOCSTI ioctl to push characters into the input buffer to be read by the next process.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
Debian Linux· Debiandrupal
95%4 ≤ v < 4.1.54.0.0 ≤ v ≤ 4.1.5
Affected range stops below 4.1.5, so it looks safe — our inference, not a vendor statement
1 ≤ v < 1.7.41.3.0 ≤ v ≤ 1.7.4
Affected range stops below 1.7.4, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.
References (11)
x_refsource_MISCMailing ListThird Party Advisory
Source: [email protected]
http://www.openwall.com/lists/oss-security/2012/11/06/8x_refsource_MISCMailing ListThird Party Advisory
Source: [email protected]
http://www.openwall.com/lists/oss-security/2013/05/20/3x_refsource_MISCMailing ListThird Party Advisory
Source: [email protected]
http://www.openwall.com/lists/oss-security/2013/11/28/10x_refsource_MISCMailing ListThird Party Advisory
Source: [email protected]
http://www.openwall.com/lists/oss-security/2013/11/29/5x_refsource_MISCMailing ListThird Party Advisory
Source: [email protected]
http://www.openwall.com/lists/oss-security/2014/10/20/9x_refsource_MISCMailing ListThird Party Advisory
Source: [email protected]
http://www.openwall.com/lists/oss-security/2014/10/21/1x_refsource_MISCMailing ListThird Party Advisory
Source: [email protected]
http://www.openwall.com/lists/oss-security/2014/12/15/5x_refsource_MISCExploitMailing ListThird Party Advisory
Source: [email protected]
http://www.openwall.com/lists/oss-security/2016/02/25/6CVSS
- Attack Vector
- LOCAL
- Complexity
- LOW
- Privileges
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- HIGH
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-20
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