high
7.5
CWE
770
Advisory Published
Updated

CVE-2020-8037: ppp decapsulator can be convinced to allocate a large amount of memory

First published: Tue Apr 21 2020(Updated: )

tcpdump. This issue was addressed with improved checks.

Credit: an anonymous researcher an anonymous researcher security@tcpdump.org an anonymous researcher

Affected SoftwareAffected VersionHow to fix
Apple Mojave
Apple macOS Big Sur<11.3
11.3
Apple Catalina
Tcpdump Tcpdump=4.9.3
Debian Debian Linux=9.0
Fedoraproject Fedora=32
Fedoraproject Fedora=33
Apple Mac OS X<10.14.6
Apple Mac OS X>=10.15<10.15.7
Apple Mac OS X=10.14.6
Apple Mac OS X=10.14.6-security_update_2019-001
Apple Mac OS X=10.14.6-security_update_2019-002
Apple Mac OS X=10.14.6-security_update_2020-001
Apple Mac OS X=10.14.6-security_update_2020-002
Apple Mac OS X=10.14.6-security_update_2020-003
Apple Mac OS X=10.14.6-security_update_2020-004
Apple Mac OS X=10.14.6-security_update_2020-005
Apple Mac OS X=10.14.6-security_update_2020-006
Apple Mac OS X=10.14.6-security_update_2020-007
Apple Mac OS X=10.14.6-security_update_2021-001
Apple Mac OS X=10.15.7
Apple Mac OS X=10.15.7-security_update_2020-001
Apple Mac OS X=10.15.7-security_update_2021-001
Apple Mac OS X=10.15.7-supplemental_update
Apple macOS>=11.0<11.3

Remedy

https://github.com/the-tcpdump-group/tcpdump/commit/32027e199368dad9508965aae8cd8de5b6ab5231

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Reference Links

Parent vulnerabilities

(Appears in the following advisories)

Peer vulnerabilities

(Found alongside the following vulnerabilities)

Frequently Asked Questions

  • What is the vulnerability ID for this issue?

    The vulnerability ID for this issue is CVE-2020-8037.

  • What software versions are affected by this vulnerability?

    The vulnerability affects Apple Catalina, Apple Mojave, and Apple macOS Big Sur (up to version 11.3).

  • How was this vulnerability addressed?

    This vulnerability was addressed with improved checks.

  • Where can I find more information about this vulnerability?

    More information about this vulnerability can be found at the following references: [Reference 1](https://support.apple.com/en-us/HT212326), [Reference 2](https://support.apple.com/en-us/HT212327), and [Reference 3](https://support.apple.com/en-us/HT212325).

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