Amazon Linux 2 Security Advisory: ALAS2-2025-2878
Advisory Released Date: 2025-06-12
Advisory Updated Date: 2025-06-12
Severity:
Medium
Issue Overview:
TTY Hijacking while Attaching to a Multiuser Session in the screen package
Has potential to break some reattach use cases, but the specific use case was broken already before.
screen in Debian not installed setuid or setgid
DEBIANBUG: [1105191]
Info: https://www.openwall.com/lists/oss-security/2025/05/12/1
Patch: https://git.savannah.gnu.org/cgit/screen.git/commit/?id=049b26b22e197ba3be9c46e5c193032e01a4724a (CVE-2025-46802)
Affected Packages:
screen
Note:
This advisory is applicable to Amazon Linux 2 (AL2) Core repository. Visit this FAQ section for the difference between AL2 Core and AL2 Extras advisories.
Issue Correction:
Run yum update screen to update your system.
New Packages:
aarch64:
screen-4.1.0-0.27.20120314git3c2946.amzn2.0.2.aarch64
screen-debuginfo-4.1.0-0.27.20120314git3c2946.amzn2.0.2.aarch64
i686:
screen-4.1.0-0.27.20120314git3c2946.amzn2.0.2.i686
screen-debuginfo-4.1.0-0.27.20120314git3c2946.amzn2.0.2.i686
src:
screen-4.1.0-0.27.20120314git3c2946.amzn2.0.2.src
x86_64:
screen-4.1.0-0.27.20120314git3c2946.amzn2.0.2.x86_64
screen-debuginfo-4.1.0-0.27.20120314git3c2946.amzn2.0.2.x86_64