Published: 24/02/2020 Updated: 01/01/2022

CVSS v2 Base Score: 7.5 | Impact Score: 6.4 | Exploitability Score: 10

CVSS v3 Base Score: 9.8 | Impact Score: 5.9 | Exploitability Score: 3.9

VMScore: 668

Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P

A buffer overflow was found in the way GNU Screen prior to 4.8.0 treated the special escape OSC 49. Specially crafted output, or a special program, could corrupt memory and crash Screen or possibly have unspecified other impact.

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Debian Bug report logs - #950896 screen: CVE-2020-9366: out of bounds access when setting w_xtermosc after OSC 49 Package: src:screen; Maintainer for src:screen is Axel Beckert <abe@debianorg>; Reported by: Salvatore Bonaccorso <carnil@debianorg> Date: Fri, 7 Feb 2020 21:33:02 UTC Severity: important Tags: fixed-u ...

CWE-787 https://www.openwall.com/lists/oss-security/2020/02/06/3 https://lists.gnu.org/archive/html/screen-devel/2020-02/msg00007.html http://www.openwall.com/lists/oss-security/2020/02/25/1 https://security.gentoo.org/glsa/202003-62 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=950896 https://nvd.nist.gov

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CVE-2020-9366

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