CVE-2021-21827
Description
A heap-based buffer overflow vulnerability exists in the XML Decompression DecodeTreeBlock functionality of AT&T Labs Xmill 0.7. Within `DecodeTreeBlock` which is called during the decompression of an XMI file, a UINT32 is loaded from the file and used as trusted input as the length of a buffer. An attacker can provide a malicious file to trigger this vulnerability.
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
Schneider Electric
commercial·FRaka schneider-electric
AT&T Labs
oss-project·US
att
commercial·USaka u-verse firmware, winvnc, xmill
and 1 more affected products View all →
Exploitability
1 exploit source 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
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MITRE ATT&CK
2 techniques Initial Access
Privilege Escalation
References
https://talosintelligence.com/vulnerability_reports/TALOS-2021-1291
talosintelligence.com
https://www.se.com/ww/en/download/document/SEVD-2021-222-02/
se.com
https://talosintelligence.com/vulnerability_reports/TALOS-2021-1291
talosintelligence.com
and 22 more references View all →
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