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Affected Component
Analysis
curl
Patched
Name
CVE-2023-27533
Description
A vulnerability in input validation exists in curl <8.0 during communication using the TELNET protocol may allow an attacker to pass on maliciously crafted user name and "telnet options" during server negotiation. The lack of proper input scrubbing allows an attacker to send content or perform option negotiation without the application's intent. This vulnerability could be exploited if an application allows user input, thereby enabling attackers to execute arbitrary code on the system.
Published Date
Updated Date
Workaround
-
Advisories
https://security.gentoo.org/glsa/202310-12Third Party Advisory
https://security.netapp.com/advisory/ntap-20230420-0011/Third Party Advisory
https://security.gentoo.org/glsa/202310-12Third Party Advisory
https://security.netapp.com/advisory/ntap-20230420-0011/Third Party Advisory
Analysis#
Vulnerability Ratings#
8.8
CVSSv31
9.8
CVSSv31
NaN
other
Others affected components#
Name
Project
Project Version
Version
Status
buildroot
2025.02.x
8.20.0
Not Affected
buildroot
master
8.21.0
Not Affected
openwrt
master
8.19.0-r2
Not Affected
openwrt
master
8.20.0-r1
Not Affected
openwrt
openwrt-25.12
8.19.0-r2
Not Affected
openwrt
openwrt-25.12
8.14.1-r1
Not Affected
yocto
master
8.20.0
Not Affected
yocto
scarthgap
8.7.1
Not Affected
Resolved with patches#
curl (yocto:kirkstone)
#
Title
Author
Resolve
1
telnet: parse telnet options without sscanf & only accept option arguments in ascii
Daniel Stenberg <daniel@haxx.se>
CVE-2023-27533