Vulnerability Monitor

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CVE-2020-9366

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.

Published

2020-02-24T17:15:15.967

Last Modified

2024-11-21T05:40:29.583

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 9.8 (CRITICAL)

CVSSv2 Vector

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

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: PARTIAL
Integrity Impact: PARTIAL
Availability Impact: PARTIAL

Exploitability Score

10.0

Impact Score

6.4

Weaknesses

Type: Primary
CWE-787

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	gnu	screen	< 4.8.0	Yes

References

http://www.openwall.com/lists/oss-security/2020/02/25/1 Mailing List, Third Party Advisory ([email protected])
https://lists.gnu.org/archive/html/screen-devel/2020-02/msg00007.html Mailing List, Patch, Release Notes, Vendor Advisory ([email protected])
https://security.gentoo.org/glsa/202003-62 Third Party Advisory ([email protected])
https://www.openwall.com/lists/oss-security/2020/02/06/3 Mailing List, Patch, Release Notes ([email protected])
http://www.openwall.com/lists/oss-security/2020/02/25/1 Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://lists.gnu.org/archive/html/screen-devel/2020-02/msg00007.html Mailing List, Patch, Release Notes, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://security.gentoo.org/glsa/202003-62 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.openwall.com/lists/oss-security/2020/02/06/3 Mailing List, Patch, Release Notes (af854a3a-2127-422b-91ae-364da2661108)