CVE-2021-26937
Description
encoding.c in GNU Screen through 4.8.0 allows remote attackers to cause a denial of service (invalid write access and application crash) or possibly have unspecified other impact via a crafted UTF-8 character sequence.
No summary for this CVE yet.
CVSS Vector Breakdown
Exploitability
AV:NAttack VectorNetwork
AC:LAttack ComplexityLow
PR:NPrivileges RequiredNone
UI:NUser InteractionNone
Scope
S:UScopeUnchanged
Impact
C:HConfidentialityHigh
I:HIntegrityHigh
A:HAvailabilityHigh
Weaknesses
Affected Products
ООО «РусБИТех-Астра»
commercial·RUaka rusbitech-astra
Сообщество свободного программного обеспечения
oss-projectaka fsf
gnu
oss-project·USaka g. nu
debian
oss-project·GBaka debian gnu/linux
fedoraproject
oss-project·USaka fedora project
АО «Концерн ВНИИНС»
commercial·RUaka ao konsern vniins
and 2 more affected products View all →
Exploitability
3 exploit sources identified
Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.
View exploit details Official Patch Available
Attack Graph
Products CVE Techniques Tactics
Click technique nodes for MITRE ATT&CK details · drag to pan · Ctrl/⌘ + scroll to zoom, or go fullscreen.
MITRE ATT&CK
1 technique Execution
References
https://lists.gnu.org/archive/html/screen-devel/2021-02/msg00000.html
lists.gnu.org
https://www.openwall.com/lists/oss-security/2021/02/09/3
openwall.com
https://ftp.gnu.org/gnu/screen/
ftp.gnu.org
and 19 more references View all →
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