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 connections in a connection pool for subsequenttransfers to reuse if one of them…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (2.93%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
- EPSS
- 2.93% probability · 86th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-840, CWE-295
- Affected
- haxx/curl · debian/debian linux · splunk/universal forwarder
- Source
- support@hackerone.com
References
- http://www.openwall.com/lists/oss-security/2023/03/20/6Mailing List
- https://hackerone.com/reports/1555796Exploit, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2022/08/msg00017.htmlMailing List, Third Party Advisory
- https://security.gentoo.org/glsa/202212-01Third Party Advisory
- https://security.netapp.com/advisory/ntap-20220609-0009/Third Party Advisory
- https://www.debian.org/security/2022/dsa-5197Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2023/03/20/6Mailing List
- https://hackerone.com/reports/1555796Exploit, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2022/08/msg00017.htmlMailing List, Third Party Advisory
- https://security.gentoo.org/glsa/202212-01Third Party Advisory
- https://security.netapp.com/advisory/ntap-20220609-0009/Third Party Advisory
- https://www.debian.org/security/2022/dsa-5197Mailing List, Third Party Advisory
- https://hackerone.com/reports/1555796Exploit, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.