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.

CVSS v3 7.5 HIGH
CVSS v2.0 2.1 LOW

7.5^/10

CVSS v3 : HIGH

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

2.1^/10

CVSS v2.0 : LOW

V2 Legend

Vector : AV:L/AC:L/Au:N/C:N/I:N/A:P

Exploitability : 3.9 / Impact : 2.9

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00022.html	Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00001.html	Mailing List Third Party Advisory
https://gitlab.freedesktop.org/slirp/libslirp/-/commit/9ac0371bb8c0a40f5d9f82a1c25129660e81df04	Patch Third Party Advisory
https://gitlab.freedesktop.org/slirp/libslirp/-/issues/20	Exploit Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/06/msg00032.html	Mailing List Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/07/msg00020.html	Mailing 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-4665	Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00022.html	Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00001.html	Mailing List Third Party Advisory
https://gitlab.freedesktop.org/slirp/libslirp/-/commit/9ac0371bb8c0a40f5d9f82a1c25129660e81df04	Patch Third Party Advisory
https://gitlab.freedesktop.org/slirp/libslirp/-/issues/20	Exploit Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/06/msg00032.html	Mailing List Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/07/msg00020.html	Mailing 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-4665	Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:libslirp_project:libslirp:*:*:*:*:*:*:*:*

Configuration 2 (hide)

OR	cpe:2.3:o:fedoraproject:fedora:31:::::::*
	cpe:2.3:o:fedoraproject:fedora:32:::::::*

Configuration 3 (hide)

OR	cpe:2.3:o:debian:debian_linux:8.0:::::::*
	cpe:2.3:o:debian:debian_linux:9.0:::::::*

Configuration 4 (hide)

cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*

Configuration 5 (hide)

OR	cpe:2.3:o:canonical:ubuntu_linux:16.04::::esm:::
	cpe:2.3:o:canonical:ubuntu_linux:18.04::::lts:::
	cpe:2.3:o:canonical:ubuntu_linux:19.10:::::::*
	cpe:2.3:o:canonical:ubuntu_linux:20.04::::lts:::

History

21 Nov 2024, 05:11

Type	Values Removed	Values Added
References	~~() http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00022.html - Mailing List, Third Party Advisory~~	() http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00022.html - Mailing List, Third Party Advisory
References	~~() http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00001.html - Mailing List, Third Party Advisory~~	() http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00001.html - Mailing List, Third Party Advisory
References	~~() https://gitlab.freedesktop.org/slirp/libslirp/-/commit/9ac0371bb8c0a40f5d9f82a1c25129660e81df04 - Patch, Third Party Advisory~~	() https://gitlab.freedesktop.org/slirp/libslirp/-/commit/9ac0371bb8c0a40f5d9f82a1c25129660e81df04 - Patch, Third Party Advisory
References	~~() https://gitlab.freedesktop.org/slirp/libslirp/-/issues/20 - Exploit, Third Party Advisory~~	() https://gitlab.freedesktop.org/slirp/libslirp/-/issues/20 - Exploit, Third Party Advisory
References	~~() https://lists.debian.org/debian-lts-announce/2020/06/msg00032.html - Mailing List, Third Party Advisory~~	() https://lists.debian.org/debian-lts-announce/2020/06/msg00032.html - Mailing List, Third Party Advisory
References	~~() https://lists.debian.org/debian-lts-announce/2020/07/msg00020.html - Mailing List, Third Party Advisory~~	() https://lists.debian.org/debian-lts-announce/2020/07/msg00020.html - Mailing List, Third Party Advisory
References	~~() 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/HWFD4MWV3YWIHVHSA2F7FKOLJFL4PHOX/ -
References	~~() https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NKT2MTSINE4NUPG5L6BYH6N23NBNITOL/ -~~	() https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NKT2MTSINE4NUPG5L6BYH6N23NBNITOL/ -
References	~~() https://usn.ubuntu.com/4372-1/ - Third Party Advisory~~	() https://usn.ubuntu.com/4372-1/ - Third Party Advisory
References	~~() https://www.debian.org/security/2020/dsa-4665 - Third Party Advisory~~	() https://www.debian.org/security/2020/dsa-4665 - Third Party Advisory
CVSS	v2 : ~~2.1~~ v3 : ~~6.5~~	v2 : 2.1 v3 : 7.5

07 Nov 2023, 03:19

Type	Values Removed	Values Added
References	{'url': 'https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/HWFD4MWV3YWIHVHSA2F7FKOLJFL4PHOX/', 'name': 'FEDORA-2020-30c45be10c', 'tags': ['Mailing List', 'Third Party Advisory'], 'refsource': 'FEDORA'} {'url': 'https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/NKT2MTSINE4NUPG5L6BYH6N23NBNITOL/', 'name': 'FEDORA-2020-1608d52724', 'tags': ['Mailing List', 'Third Party Advisory'], 'refsource': 'FEDORA'}	() https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NKT2MTSINE4NUPG5L6BYH6N23NBNITOL/ - () https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HWFD4MWV3YWIHVHSA2F7FKOLJFL4PHOX/ -

Information

Published : 2020-04-22 20:15

Updated : 2024-11-21 05:11

NVD link : CVE-2020-1983

Mitre link : CVE-2020-1983

CVE.ORG link : CVE-2020-1983

JSON object : View

Products Affected

debian

debian_linux

opensuse

leap

canonical

ubuntu_linux

libslirp_project

libslirp

fedoraproject

fedora

CWE

CWE-416

Use After Free

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"confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 3.9}, {"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 6.5, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}, "impactScore": 4.0, "exploitabilityScore": 2.0}]}, "published": "2020-04-22T20:15:11.480", "references": [{"url": "http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00022.html", "tags": ["Mailing List", "Third Party Advisory"], "source": "psirt@paloaltonetworks.com"}, {"url": "http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00001.html", "tags": ["Mailing List", "Third Party Advisory"], "source": "psirt@paloaltonetworks.com"}, {"url": 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"source": "psirt@paloaltonetworks.com"}, {"url": "https://usn.ubuntu.com/4372-1/", "tags": ["Third Party Advisory"], "source": "psirt@paloaltonetworks.com"}, {"url": "https://www.debian.org/security/2020/dsa-4665", "tags": ["Third Party Advisory"], "source": "psirt@paloaltonetworks.com"}, {"url": "http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00022.html", "tags": ["Mailing List", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00001.html", "tags": ["Mailing List", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://gitlab.freedesktop.org/slirp/libslirp/-/commit/9ac0371bb8c0a40f5d9f82a1c25129660e81df04", "tags": ["Patch", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://gitlab.freedesktop.org/slirp/libslirp/-/issues/20", "tags": ["Exploit", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://lists.debian.org/debian-lts-announce/2020/06/msg00032.html", "tags": ["Mailing List", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://lists.debian.org/debian-lts-announce/2020/07/msg00020.html", "tags": ["Mailing List", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HWFD4MWV3YWIHVHSA2F7FKOLJFL4PHOX/", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NKT2MTSINE4NUPG5L6BYH6N23NBNITOL/", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://usn.ubuntu.com/4372-1/", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://www.debian.org/security/2020/dsa-4665", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Secondary", "source": "psirt@paloaltonetworks.com", "description": [{"lang": "en", "value": "CWE-416"}]}, {"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-416"}]}], "descriptions": [{"lang": "en", "value": "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."}, {"lang": "es", "value": "Una vulnerabilidad de uso de la memoria previamente liberada en la funci\u00f3n ip_reass() en el archivo ip_input.c de libslirp versiones 4.2.0 y anteriores permite que paquetes especialmente dise\u00f1ados causen una denegaci\u00f3n de servicio."}], "lastModified": "2024-11-21T05:11:47.053", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:libslirp_project:libslirp:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "B702B33E-4536-457E-814A-DE8DB5AB5A0B", "versionEndIncluding": "4.2.0"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "80F0FA5D-8D3B-4C0E-81E2-87998286AF33"}, {"criteria": "cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "36D96259-24BD-44E2-96D9-78CE1D41F956"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "C11E6FB0-C8C0-4527-9AA0-CB9B316F8F43"}, {"criteria": "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "DEECE5FC-CACF-4496-A3E7-164736409252"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "B620311B-34A3-48A6-82DF-6F078D7A4493"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:*", "vulnerable": true, "matchCriteriaId": "7A5301BF-1402-4BE0-A0F8-69FBE79BC6D6"}, {"criteria": "cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*", "vulnerable": true, "matchCriteriaId": "23A7C53F-B80F-4E6A-AFA9-58EEA84BE11D"}, {"criteria": "cpe:2.3:o:canonical:ubuntu_linux:19.10:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "A31C8344-3E02-4EB8-8BD8-4C84B7959624"}, {"criteria": "cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:*", "vulnerable": true, "matchCriteriaId": "902B8056-9E37-443B-8905-8AA93E2447FB"}], "operator": "OR"}]}], "sourceIdentifier": "psirt@paloaltonetworks.com"}

7.5 /10

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

2.1 /10

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

JSON object

Attach tags to CVE-2020-1983

7.5^/10

2.1^/10

Attach tags to `CVE-2020-1983`