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Public proof of conceptFix available

CVE-2022-27775

A public proof of concept exists; no exploitation attested.

  • Published2022-06-02
  • Fixed in9.0.6 · 8.2.12
  • WeaknessCWE-200

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

An information disclosure vulnerability exists in curl 7.65.0 to 7.82.0 are vulnerable that by using an IPv6 address that was in the connection pool but with a different zone id it could reuse a connection instead.

Timeline

dates in UTC
  1. 2022-06-0214:15CVE publishedNVD

Versions per branch

NVD
Splunk universal forwarder
BranchAffectedFixed in
9.0≥ 9.0.0, < 9.0.69.0.6
8.2≥ 8.2.0, < 8.2.128.2.12
9.1= 9.1.0no fix published
Broadcom fabric operating system
BranchAffectedFixed in
—all versionsno fix published
Debian debian linux
BranchAffectedFixed in
11.0= 11.0no fix published

9 more products in the sources.

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Products declared by the CNA1 product

As hackerone, the CNA that assigned this CVE, declared them in the CVE record; versions as written.

  • https://github.com/curl/curl
    Affected
    • = curl 7.65.0 to 7.82.0 are vulnerableno fix stated

Source: the CNA record (CVE Program), © The MITRE Corporation,CVE Terms of UseCVE recordupdated 2022-12-19

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

  • curlUbuntu:22.04:LTSall versions · fixed in 7.81.0-1ubuntu1.1
  • curlUbuntu:20.04:LTSall versions · fixed in 7.68.0-1ubuntu2.10
  • curlUbuntu:18.04:LTSall versions · fixed in 7.58.0-2ubuntu3.17
  • curlSUSE:Linux Enterprise Module for Basesystem 15 SP3all versions · fixed in 7.66.0-150200.4.30.1
  • curlSUSE:Linux Enterprise Micro 5.2all versions · fixed in 7.66.0-150200.4.30.1
  • curlSUSE:Linux Enterprise Micro 5.1all versions · fixed in 7.66.0-150200.4.30.1
  • curlRocky Linux:9all versions · fixed in 0:7.76.1-19.el9_1.1
  • curlRed Hat:enterprise_linux:9::baseosall versions · fixed in 0:7.76.1-19.el9and 8 other packages

27 more package ranges on OSV.dev

Vendor advisories

  • CVE-2022-27775 Red Hat Product Security74 products fixed

    curl: bad local IPv6 connection reuse

  • ICSA-23-348-10 CISA5 known affected

    Siemens SIMATIC S7-1500

    SIMATIC S7-1500 CPU 1518-4 PN/DP MFP (6ES7518-4AX00-1AB0) · SIMATIC S7-1500 CPU 1518-4 PN/DP MFP (6ES7518-4AX00-1AC0) · SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP (6ES7518-4FX00-1AB0) · +2 more

  • SSA-398330 Siemens ProductCERT5 known affected

    SSA-398330: Vulnerabilities in the additional GNU/Linux subsystem of the SIMATIC S7-1500 CPU 1518(F)-4 PN/DP MFP >= V3.1.0 and < V3.1.5

    SIMATIC S7-1500 CPU 1518-4 PN/DP MFP (6ES7518-4AX00-1AB0) >= V3.1.0 < V3.1.5 · SIMATIC S7-1500 CPU 1518-4 PN/DP MFP (6ES7518-4AX00-1AC0) >= V3.1.0 < V3.1.5 · SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP (6ES7518-4FX00-1AB0) >= V3.1.0 < V3.1.5 · +2 more

  • RHSA-2022:8299 Red Hat Product Security74 products fixed

    Red Hat Security Advisory: curl security update

Full record on NVD

Fix

  1. Update Splunk universal forwarder to 9.0.6 · 8.2.12
  2. Vendor fix CISA ICSA-23-348-10 · 5 productsUpdate to V3.1.5 or later version
  3. Vendor fix Siemens ProductCERT SSA-398330 · 1 productUpdate to V3.1.5 or later version
  4. Vendor fix Red Hat Product Security RHSA-2022:8299 · 74 productsFor details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
  5. Mitigation from the vendor CISA ICSA-23-348-10 · 5 productsOnly build and run applications from trusted sources.

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof of concept
Metasploit modules
none listed
Metasploit Framework

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Published
2022-06-02
Last Modified
2026-10-14
NVD status
Modified
GitHub Advisory
GHSA-fx56-rj7x-688m

Frequently asked questions

What is CVE-2022-27775?

An information disclosure vulnerability exists in curl 7.65.0 to 7.82.0 are vulnerable that by using an IPv6 address that was in the connection pool but with a different zone id it could reuse a connection instead.

Is CVE-2022-27775 actively exploited?

A proof-of-concept exploit exists for CVE-2022-27775, but active exploitation has not been confirmed at this time.

What is the CVSS score for CVE-2022-27775?

CVE-2022-27775 has a CVSS v3 base score of 7.5 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

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Sources for this record