Veracode Vulnerability DatabaseVERACODE:29358Denial Of Service (DoS)
9.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
7.5 High
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:P/A:P
screen is vulnerable to denial of service (DoS). The vulnerability exists in encoding.c through an invalid write access via a crafted UTF-8 character sequence.
References
www.openwall.com/lists/oss-security/2021/02/09/8
ftp.gnu.org/gnu/screen/
lists.debian.org/debian-lts-announce/2021/02/msg00031.html
lists.fedoraproject.org/archives/list/[email protected]/message/GNWBOIDEPOEQS5RMQVMFKHKXJCGNYWBL/
lists.fedoraproject.org/archives/list/[email protected]/message/JJWLXP45POUUYBJRRWPVAWNZDJTLYWVM/
lists.gnu.org/archive/html/screen-devel/2021-02/msg00000.html
security-tracker.debian.org/tracker/CVE-2021-26937
security.gentoo.org/glsa/202105-11
www.debian.org/security/2021/dsa-4861
www.openwall.com/lists/oss-security/2021/02/09/3
Related
9.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
7.5 High
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:P/A:P