CVE-2020-1983

Summary

A use after free vulnerability in ip_reass() in ip_input.c of libslirp 4.2.0 and prior releases allows crafted packets to cause a denial of service.

Affected Software

Weaknesses

• CWE-416: CWE-416 Use After Free

ADP Enrichment

CVE Program Container

Additional References

• https://gitlab.freedesktop.org/slirp/libslirp/-/issues/20
• https://gitlab.freedesktop.org/slirp/libslirp/-/commit/9ac0371bb8c0a40f5d9f82a1c25129660e81df04
• https://www.debian.org/security/2020/dsa-4665
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HWFD4MWV3YWIHVHSA2F7FKOLJFL4PHOX/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NKT2MTSINE4NUPG5L6BYH6N23NBNITOL/
• http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00022.html
• https://usn.ubuntu.com/4372-1/
• http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00001.html
• https://lists.debian.org/debian-lts-announce/2020/06/msg00032.html
• https://lists.debian.org/debian-lts-announce/2020/07/msg00020.html

References

• https://gitlab.freedesktop.org/slirp/libslirp/-/issues/20
• https://gitlab.freedesktop.org/slirp/libslirp/-/commit/9ac0371bb8c0a40f5d9f82a1c25129660e81df04
• https://www.debian.org/security/2020/dsa-4665
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HWFD4MWV3YWIHVHSA2F7FKOLJFL4PHOX/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NKT2MTSINE4NUPG5L6BYH6N23NBNITOL/
• http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00022.html
• https://usn.ubuntu.com/4372-1/
• http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00001.html
• https://lists.debian.org/debian-lts-announce/2020/06/msg00032.html
• https://lists.debian.org/debian-lts-announce/2020/07/msg00020.html

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