CVE-2021-22945

Summary

When sending data to an MQTT server, libcurl <= 7.73.0 and 7.78.0 could in some circumstances erroneously keep a pointer to an already freed memory area and both use that again in a subsequent call to send data and also free it again.

Affected Software

Weaknesses

• CWE-415: Double Free (CWE-415)

ADP Enrichment

CVE Program Container

Additional References

• https://hackerone.com/reports/1269242
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RWLEC6YVEM2HWUBX67SDGPSY4CQB72OE/
• https://www.oracle.com/security-alerts/cpuoct2021.html
• https://security.netapp.com/advisory/ntap-20211029-0003/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/APOAK4X73EJTAPTSVT7IRVDMUWVXNWGD/
• https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf
• https://support.apple.com/kb/HT213183
• http://seclists.org/fulldisclosure/2022/Mar/29
• https://www.debian.org/security/2022/dsa-5197
• https://security.gentoo.org/glsa/202212-01

CISA ADP Vulnrichment

• SSVC:
• Exploitation: none
  • Automatable: yes
  • Technical Impact: partial

References

• https://hackerone.com/reports/1269242
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RWLEC6YVEM2HWUBX67SDGPSY4CQB72OE/
• https://www.oracle.com/security-alerts/cpuoct2021.html
• https://security.netapp.com/advisory/ntap-20211029-0003/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/APOAK4X73EJTAPTSVT7IRVDMUWVXNWGD/
• https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf
• https://support.apple.com/kb/HT213183
• http://seclists.org/fulldisclosure/2022/Mar/29
• https://www.debian.org/security/2022/dsa-5197
• https://security.gentoo.org/glsa/202212-01

• ←Previous
• Next→