Ubuntu.comUB:CVE-2023-24626CVE-2023-24626
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
EPSS
Percentile
26.4%
socket.c in GNU Screen through 4.9.0, when installed setuid or setgid (the
default on platforms such as Arch Linux and FreeBSD), allows local users to
send a privileged SIGHUP signal to any PID, causing a denial of service or
disruption of the target process.
Bugs
Notes
| Author | Note |
|---|---|
| rodrigo-zaiden | debian does not use setuid or setgid for screen by default |
| OS | Version | Architecture | Package | Version | Filename |
|---|---|---|---|---|---|
| ubuntu | 18.04 | noarch | screen | < 4.6.2-1ubuntu1.1+esm1 | UNKNOWN |
| ubuntu | 20.04 | noarch | screen | < any | UNKNOWN |
| ubuntu | 22.04 | noarch | screen | < any | UNKNOWN |
| ubuntu | 24.04 | noarch | screen | < any | UNKNOWN |
| ubuntu | 14.04 | noarch | screen | < 4.1.0~20120320gitdb59704-9ubuntu0.1~esm3 | UNKNOWN |
| ubuntu | 16.04 | noarch | screen | < 4.3.1-2ubuntu0.1+esm1 | UNKNOWN |
References
git.savannah.gnu.org/cgit/screen.git/patch/?id=e9ad41bfedb4537a6f0de20f00b27c7739f168f7
launchpad.net/bugs/cve/CVE-2023-24626
nvd.nist.gov/vuln/detail/CVE-2023-24626
savannah.gnu.org/bugs/?63195 (private)
security-tracker.debian.org/tracker/CVE-2023-24626
ubuntu.com/security/notices/USN-6198-1
www.cve.org/CVERecord?id=CVE-2023-24626
www.exploit-db.com/exploits/51252
Related
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
EPSS
Percentile
26.4%