Vulnerability CVE-2020-9366
Published: 2020-02-24

Description:
A buffer overflow was found in the way GNU Screen before 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.

Type:

CWE-120

 (Buffer Copy without Checking Size of Input ('Classic Buffer Overflow'))

CVSS2 => (AV:N/AC:L/Au:N/C:P/I:P/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
7.5/10
6.4/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
Partial
Affected software
GNU -> Screen 

 References:
http://www.openwall.com/lists/oss-security/2020/02/25/1
https://lists.gnu.org/archive/html/screen-devel/2020-02/msg00007.html
https://www.openwall.com/lists/oss-security/2020/02/06/3
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