PT-2017-16622 · Gnu+1 · Gnu Screen+1

Donald Buczek · Published 2017-03-09 · Updated 2025-08-15 · CVE-2017-5618

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions GNU screen versions prior to 4.5.1

Description The issue allows local users to modify arbitrary files and consequently gain root privileges by leveraging improper checking of logfile permissions.

Recommendations For GNU screen versions prior to 4.5.1, update to version 4.5.1 or later to resolve the issue.

Exploit

Fix

Incorrect Authorization

Weakness Enumeration

CWE-863

Related Identifiers

ALT-PU-2017-1266

CVE-2017-5618

OPENSUSE-SU-2024:11374-1

Affected Products

Alt Linux

Gnu Screen

References · 16

• 🔥 https://lists.gnu.org/archive/html/screen-devel/2017-01/msg00025.html · Exploit
• 🔥 http://openwall.com/lists/oss-security/2017/01/29/3 · Exploit
• http://git.savannah.gnu.org/cgit/screen.git/patch/?id=1c6d2817926d30c9a7a97d99af7ac5de4a5845b8 · Patch
• https://osv.dev/vulnerability/openSUSE-SU-2024:11374-1 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2017-5618 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2017-5618 · Security Note
• https://osv.dev/vulnerability/DEBIAN-CVE-2017-5618 · Vendor Advisory
• https://osv.dev/vulnerability/ALPINE-CVE-2017-5618 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2017-5618 · Vendor Advisory
• https://security.alpinelinux.org/vuln/CVE-2017-5618 · Note
• http://savannah.gnu.org/bugs/?50142 · Note
• http://git.savannah.gnu.org/cgit/screen.git/tree/src/ChangeLog?h=v.4.5.1 · Note
• https://t.me/cvedetector/1838 · Telegram Post
• https://suse.com/security/cve/CVE-2017-5618 · Note
• http://securityfocus.com/bid/95873 · Note