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CVE-2020-7469

UNKNOWN
Published 2021-06-04T11:55:55
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No CVSS data available

Description

In FreeBSD 12.2-STABLE before r367402, 11.4-STABLE before r368202, 12.2-RELEASE before p1, 12.1-RELEASE before p11 and 11.4-RELEASE before p5 the handler for a routing option caches a pointer into the packet buffer holding the ICMPv6 message. However, when processing subsequent options the packet buffer may be freed, rendering the cached pointer invalid. The network stack may later dereference the pointer, potentially triggering a use-after-free.

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

⚠ Unreviewed HIGH

GHSA-cxxf-mg7m-vpfq

Advisory Details

In FreeBSD 12.2-STABLE before r367402, 11.4-STABLE before r368202, 12.2-RELEASE before p1, 12.1-RELEASE before p11 and 11.4-RELEASE before p5 the handler for a routing option caches a pointer into the packet buffer holding the ICMPv6 message. However, when processing subsequent options the packet buffer may be freed, rendering the cached pointer invalid. The network stack may later dereference the pointer, potentially triggering a use-after-free.

CVSS Scoring

CVSS Score

7.5

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References

ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2020-7469
WEB https://security.FreeBSD.org/advisories/FreeBSD-SA-20:31.icmp6.asc
WEB https://security.netapp.com/advisory/ntap-20210720-0001

Advisory provided by GitHub Security Advisory Database. Published: May 24, 2022, Modified: June 1, 2022

References

https://security.FreeBSD.org/advisories/FreeBSD-SA-20:31.icmp6.asc
https://security.netapp.com/advisory/ntap-20210720-0001/
Published: 2021-06-04T11:55:55
Last Modified: 2024-08-04T09:33:19.700Z
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