CVE-2021-22898
Description
curl 7.7 through 7.76.1 suffers from an information disclosure when the `-t` command line option, known as `CURLOPT_TELNETOPTIONS` in libcurl, is used to send variable=content pairs to TELNET servers. Due to a flaw in the option parser for sending NEW_ENV variables, libcurl could be made to pass on uninitialized data from a stack based buffer to the server, resulting in potentially revealing sensitive internal information to the server using a clear-text network protocol.
No summary for this CVE yet.
CVSS Vector Breakdown
Exploitability
AV:NAttack VectorNetwork
AC:HAttack ComplexityHigh
PR:NPrivileges RequiredNone
UI:RUser InteractionRequired
Scope
S:UScopeUnchanged
Impact
C:LConfidentialityLow
I:NIntegrityNone
A:NAvailabilityNone
Weaknesses
Affected Products
oracle
commercial·USaka oracle corp.
Novell Inc.
commercial·US
ООО «РусБИТех-Астра»
commercial·RUaka rusbitech-astra
Red Hat Inc.
commercial·USaka red hat
Daniel Stenberg
individual-devaka daniel stenberg (curl author), daniel.haxx.se
Apache Software Foundation
oss-project·USaka apache foundation
and 10 more affected products View all →
Exploitability
Official Patch Available
Attack Graph
Products CVE Techniques Tactics
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MITRE ATT&CK
1 technique Collection
References
https://hackerone.com/reports/1176461
hackerone.com
https://curl.se/docs/CVE-2021-22898.html
curl.se
https://github.com/curl/curl/commit/39ce47f219b09c380b81f89fe54ac586c8db6bde
github.com
and 34 more references View all →
News mentions
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