High severity · published Jun 1, 2022
CVE-2022-27782
libcurl would reuse a previously created connection even when a TLS or SSHrelated option had been changed that should have prohibited reuse.libcurl keeps previously used…
7.5
CVSS
3.1%
EPSS
No
On KEV
Description
libcurl would reuse a previously created connection even when a TLS or SSHrelated option had been changed that should have prohibited reuse.libcurl keeps previously used connections in a connection pool for subsequenttransfers to reuse if one of them matches the setup. However, several TLS andSSH settings were left out from the configuration match checks, making themmatch too easily.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
High
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)3.1% · higher than 88% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
HT
https://github.com/curl/curl ·
Fixed in 7.83.1 · source: vendor
CU
Curl · Haxx
before 7.83.1 · source: NVD
DL
Debian Linux · Debian
10.0; 11.0 · source: NVD
UF
Universal Forwarder · Splunk
8.2.0 before 8.2.12; 9.0.0 before 9.0.6; 9.1.0 · source: NVD
SS
SIMATIC S7-1500 CPU 1518-4 PN/DP MFP · Siemens
V3.1.0 before V3.1.5; V3.1.0 before V3.1.5 · source: CISA
SS
SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP · Siemens
V3.1.0 before V3.1.5; V3.1.0 before V3.1.5 · source: CISA
SS
SIPLUS S7-1500 CPU 1518-4 PN/DP MFP · Siemens
V3.1.0 before V3.1.5 · source: CISA
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2022-27782
CVE.org
https://www.cve.org/CVERecord?id=CVE-2022-27782
Mailing List
http://www.openwall.com/lists/oss-security/2023/03/20/6
Exploit
https://hackerone.com/reports/1555796
Mailing List
https://lists.debian.org/debian-lts-announce/2022/08/msg00017.html
Third Party Advisory
https://security.gentoo.org/glsa/202212-01
Third Party Advisory
https://security.netapp.com/advisory/ntap-20220609-0009/
Mailing List
https://www.debian.org/security/2022/dsa-5197
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