VulnerabilityModified
CVE-2020-1983
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.
MEDIUM 6.5EPSS 2.36%
Does this matter?
Lower severity and a low EPSS score (2.36%). Track it; it rarely justifies an emergency change on its own.
Description
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.
- CVSS 3.1
- 6.5 MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
- EPSS
- 2.36% probability · 83th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-416
- Affected
- libslirp project/libslirp · fedoraproject/fedora · debian/debian linux · opensuse/leap · canonical/ubuntu linux
- Source
- psirt@paloaltonetworks.com
References
- http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00022.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00001.htmlMailing List, Third Party Advisory
- https://gitlab.freedesktop.org/slirp/libslirp/-/commit/9ac0371bb8c0a40f5d9f82a1c25129660e81df04Patch, Third Party Advisory
- https://gitlab.freedesktop.org/slirp/libslirp/-/issues/20Exploit, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/06/msg00032.htmlMailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/07/msg00020.htmlMailing List, Third Party Advisory
- 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/
- https://usn.ubuntu.com/4372-1/Third Party Advisory
- https://www.debian.org/security/2020/dsa-4665Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00022.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00001.htmlMailing List, Third Party Advisory
- https://gitlab.freedesktop.org/slirp/libslirp/-/commit/9ac0371bb8c0a40f5d9f82a1c25129660e81df04Patch, Third Party Advisory
- https://gitlab.freedesktop.org/slirp/libslirp/-/issues/20Exploit, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/06/msg00032.htmlMailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/07/msg00020.htmlMailing List, Third Party Advisory
- 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/
- https://usn.ubuntu.com/4372-1/Third Party Advisory
- https://www.debian.org/security/2020/dsa-4665Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.