66 matches found
USN-4263-2 sudo vulnerability
USN-4263-1 fixed a vulnerability in Sudo. This update provides the corresponding update for Ubuntu 12.04 ESM and Ubuntu 14.04 ESM. Original advisory details: Joe Vennix discovered that Sudo incorrectly handled memory operations when the pwfeedback option is enabled. A local attacker could possibl...
Sudo 1.8.25p - (pwfeedback) Buffer Overflow Exploit
!/bin/bash We will need socat to run this. if ! -f socat ; then wget https://raw.githubusercontent.com/andrew-d/static-binaries/master/binaries/linux/x8664/socat chmod +x socat fi cat xpl.pl $bufsz = 256; $askpasssz = 32; $signosz = 465; $tgetpassflag = "\x04\x00\x00\x00" . "\x00"x24;...
Sudo 1.8.25p - 'pwfeedback' Buffer Overflow (PoC)
Title: Sudo 1.8.25p - Buffer Overflow Date: 2020-01-30 Author: Joe Vennix Software: Sudo Versions: Sudo versions prior to 1.8.26 CVE: CVE-2019-18634 Reference: https://www.sudo.ws/alerts/pwfeedback.html Sudo's pwfeedback option can be used to provide visual feedback when the user is inputting the...
Sudo 1.8.25p Buffer Overflow
Title: Sudo 1.8.25p - Buffer Overflow Date: 2020-01-30 Author: Joe Vennix Software: Sudo Versions: Sudo versions prior to 1.8.26 CVE: CVE-2019-18634 Reference: https://www.sudo.ws/alerts/pwfeedback.html Sudo's pwfeedback option can be used to provide visual feedback when the user is inputting the...
Ubuntu 16.04 LTS / 18.04 LTS : Sudo vulnerability (USN-4263-1)
The remote Ubuntu 16.04 LTS / 18.04 LTS host has packages installed that are affected by a vulnerability as referenced in the USN-4263-1 advisory. Joe Vennix discovered that Sudo incorrectly handled memory operations when the pwfeedback option is enabled. A local attacker could possibly use this...
Sudo 1.8.25p - Buffer Overflow Exploit
Title: Sudo 1.8.25p - Buffer Overflow Author: Joe Vennix Software: Sudo Versions: Sudo versions prior to 1.8.26 CVE: CVE-2019-18634 Reference: https://www.sudo.ws/alerts/pwfeedback.html Sudo's pwfeedback option can be used to provide visual feedback when the user is inputting their password. For...
Sudo 1.8.25p - pwfeedback Buffer Overflow (PoC)
Sudo 1.8.25p - pwfeedback Buffer Overflow PoC Title: Sudo 1.8.25p - Buffer Overflow Date: 2020-01-30 Author: Joe Vennix Software: Sudo Versions: Sudo versions prior to 1.8.26 CVE: CVE-2019-18634 Reference: https://www.sudo.ws/alerts/pwfeedback.html Sudo's pwfeedback option can be used to provide...
Sudo Bug Lets Non-Privileged Linux and macOS Users Run Commands as Root
Joe Vennix of Apple security has found another significant vulnerability in sudo utility that under a specific configuration could allow low privileged users or malicious programs to execute arbitrary commands with administrative 'root' privileges on Linux or macOS systems. Sudo is one of the mos...
USN-4263-1 sudo vulnerability
Joe Vennix discovered that Sudo incorrectly handled memory operations when the pwfeedback option is enabled. A local attacker could possibly use this issue to obtain unintended access to the administrator account...
USN-4263-1: Sudo vulnerability
Joe Vennix discovered that Sudo incorrectly handled memory operations when the pwfeedback option is enabled. A local attacker could possibly use this issue to obtain unintended access to the administrator account...
FreeBSD : sudo -- Potential bypass of Runas user restrictions (b4e5f782-442d-11ea-9ba9-206a8a720317)
Todd C. Miller reports : Sudo's pwfeedback option can be used to provide visual feedback when the user is inputting their password. For each key press, an asterisk is printed. This option was added in response to user confusion over how the standard Password: prompt disables the echoing of key...
CVE-2019-18634
A flaw was found in the Sudo application when the ’pwfeedback' option is set to true on the sudoers file. An authenticated user can use this vulnerability to trigger a stack-based buffer overflow under certain conditions even without Sudo privileges. The buffer overflow may allow an attacker to...
UBUNTU-CVE-2019-18634
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 on...
CVE-2019-18634
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 on...
sudo -- Potential bypass of Runas user restrictions
Todd C. Miller reports: Sudo's pwfeedback option can be used to provide visual feedback when the user is inputting their password. For each key press, an asterisk is printed. This option was added in response to user confusion over how the standard Password: prompt disables the echoing of key...
CVE-2019-18634
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 on...
DEBIAN-CVE-2019-18634
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 on...
CVE-2019-18634
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 on...
ALPINE-CVE-2019-18634
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 on...
Stack overflow
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 on...