CVE-2020-7039

tcp_emu in tcp_subr.c in libslirp 4.1.0, as used in QEMU 4.2.0, mismanages memory, as demonstrated by IRC DCC commands in EMU_IRC. This can cause a heap-based buffer overflow or other out-of-bounds access which can lead to a DoS or potential execute arbitrary code.

CVSS v3 5.6 MEDIUM
CVSS v2.0 6.8 MEDIUM

5.6^/10

CVSS v3 : MEDIUM

V3 Legend

Vector :

Exploitability : 2.2 / Impact : 3.4

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required NONE

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact LOW

Scope UNCHANGED

6.8^/10

CVSS v2.0 : MEDIUM

V2 Legend

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

Exploitability : 8.6 / Impact : 6.4

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00007.html	Third Party Advisory
http://www.openwall.com/lists/oss-security/2020/01/16/2	Mailing List Patch Third Party Advisory
https://access.redhat.com/errata/RHSA-2020:0348	Third Party Advisory
https://access.redhat.com/errata/RHSA-2020:0775	Third Party Advisory
https://gitlab.freedesktop.org/slirp/libslirp/commit/2655fffed7a9e765bcb4701dd876e9dab975f289	Patch Third Party Advisory
https://gitlab.freedesktop.org/slirp/libslirp/commit/82ebe9c370a0e2970fb5695aa19aa5214a6a1c80	Patch Third Party Advisory
https://gitlab.freedesktop.org/slirp/libslirp/commit/ce131029d6d4a405cb7d3ac6716d03e58fb4a5d9	Patch Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/01/msg00022.html	Mailing List Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/01/msg00036.html	Mailing List Third Party Advisory
https://lists.debian.org/debian-lts-announce/2021/02/msg00012.html	Mailing List Third Party Advisory
https://seclists.org/bugtraq/2020/Feb/0	Mailing List Third Party Advisory
https://security.gentoo.org/glsa/202005-02	Third Party Advisory
https://usn.ubuntu.com/4283-1/	Third Party Advisory
https://www.debian.org/security/2020/dsa-4616	Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00007.html	Third Party Advisory
http://www.openwall.com/lists/oss-security/2020/01/16/2	Mailing List Patch Third Party Advisory
https://access.redhat.com/errata/RHSA-2020:0348	Third Party Advisory
https://access.redhat.com/errata/RHSA-2020:0775	Third Party Advisory
https://gitlab.freedesktop.org/slirp/libslirp/commit/2655fffed7a9e765bcb4701dd876e9dab975f289	Patch Third Party Advisory
https://gitlab.freedesktop.org/slirp/libslirp/commit/82ebe9c370a0e2970fb5695aa19aa5214a6a1c80	Patch Third Party Advisory
https://gitlab.freedesktop.org/slirp/libslirp/commit/ce131029d6d4a405cb7d3ac6716d03e58fb4a5d9	Patch Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/01/msg00022.html	Mailing List Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/01/msg00036.html	Mailing List Third Party Advisory
https://lists.debian.org/debian-lts-announce/2021/02/msg00012.html	Mailing List Third Party Advisory
https://seclists.org/bugtraq/2020/Feb/0	Mailing List Third Party Advisory
https://security.gentoo.org/glsa/202005-02	Third Party Advisory
https://usn.ubuntu.com/4283-1/	Third Party Advisory
https://www.debian.org/security/2020/dsa-4616	Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:libslirp_project:libslirp:4.1.0:*:*:*:*:*:*:*

Configuration 2 (hide)

OR	cpe:2.3:a:qemu:qemu:4.2.0:::::::*
	cpe:2.3:o:debian:debian_linux:8.0:::::::*
	cpe:2.3:o:debian:debian_linux:9.0:::::::*
	cpe:2.3:o:opensuse:leap:15.1:::::::*

History

21 Nov 2024, 05:36

Type	Values Removed	Values Added
References	~~() http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00007.html - Third Party Advisory~~	() http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00007.html - Third Party Advisory
References	~~() http://www.openwall.com/lists/oss-security/2020/01/16/2 - Mailing List, Patch, Third Party Advisory~~	() http://www.openwall.com/lists/oss-security/2020/01/16/2 - Mailing List, Patch, Third Party Advisory
References	~~() https://access.redhat.com/errata/RHSA-2020:0348 - Third Party Advisory~~	() https://access.redhat.com/errata/RHSA-2020:0348 - Third Party Advisory
References	~~() https://access.redhat.com/errata/RHSA-2020:0775 - Third Party Advisory~~	() https://access.redhat.com/errata/RHSA-2020:0775 - Third Party Advisory
References	~~() https://gitlab.freedesktop.org/slirp/libslirp/commit/2655fffed7a9e765bcb4701dd876e9dab975f289 - Patch, Third Party Advisory~~	() https://gitlab.freedesktop.org/slirp/libslirp/commit/2655fffed7a9e765bcb4701dd876e9dab975f289 - Patch, Third Party Advisory
References	~~() https://gitlab.freedesktop.org/slirp/libslirp/commit/82ebe9c370a0e2970fb5695aa19aa5214a6a1c80 - Patch, Third Party Advisory~~	() https://gitlab.freedesktop.org/slirp/libslirp/commit/82ebe9c370a0e2970fb5695aa19aa5214a6a1c80 - Patch, Third Party Advisory
References	~~() https://gitlab.freedesktop.org/slirp/libslirp/commit/ce131029d6d4a405cb7d3ac6716d03e58fb4a5d9 - Patch, Third Party Advisory~~	() https://gitlab.freedesktop.org/slirp/libslirp/commit/ce131029d6d4a405cb7d3ac6716d03e58fb4a5d9 - Patch, Third Party Advisory
References	~~() https://lists.debian.org/debian-lts-announce/2020/01/msg00022.html - Mailing List, Third Party Advisory~~	() https://lists.debian.org/debian-lts-announce/2020/01/msg00022.html - Mailing List, Third Party Advisory
References	~~() https://lists.debian.org/debian-lts-announce/2020/01/msg00036.html - Mailing List, Third Party Advisory~~	() https://lists.debian.org/debian-lts-announce/2020/01/msg00036.html - Mailing List, Third Party Advisory
References	~~() https://lists.debian.org/debian-lts-announce/2021/02/msg00012.html - Mailing List, Third Party Advisory~~	() https://lists.debian.org/debian-lts-announce/2021/02/msg00012.html - Mailing List, Third Party Advisory
References	~~() https://seclists.org/bugtraq/2020/Feb/0 - Mailing List, Third Party Advisory~~	() https://seclists.org/bugtraq/2020/Feb/0 - Mailing List, Third Party Advisory
References	~~() https://security.gentoo.org/glsa/202005-02 - Third Party Advisory~~	() https://security.gentoo.org/glsa/202005-02 - Third Party Advisory
References	~~() https://usn.ubuntu.com/4283-1/ - Third Party Advisory~~	() https://usn.ubuntu.com/4283-1/ - Third Party Advisory
References	~~() https://www.debian.org/security/2020/dsa-4616 - Third Party Advisory~~	() https://www.debian.org/security/2020/dsa-4616 - Third Party Advisory

Information

Published : 2020-01-16 23:15

Updated : 2024-11-21 05:36

NVD link : CVE-2020-7039

Mitre link : CVE-2020-7039

CVE.ORG link : CVE-2020-7039

JSON object : View

Products Affected

debian

debian_linux

libslirp_project

libslirp

opensuse

leap

qemu

qemu

CWE

CWE-787

Out-of-bounds Write

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"confidentialityImpact": "LOW"}, "impactScore": 3.4, "exploitabilityScore": 2.2}]}, "published": "2020-01-16T23:15:12.190", "references": [{"url": "http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00007.html", "tags": ["Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "http://www.openwall.com/lists/oss-security/2020/01/16/2", "tags": ["Mailing List", "Patch", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://access.redhat.com/errata/RHSA-2020:0348", "tags": ["Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://access.redhat.com/errata/RHSA-2020:0775", "tags": ["Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://gitlab.freedesktop.org/slirp/libslirp/commit/2655fffed7a9e765bcb4701dd876e9dab975f289", "tags": ["Patch", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://gitlab.freedesktop.org/slirp/libslirp/commit/82ebe9c370a0e2970fb5695aa19aa5214a6a1c80", "tags": ["Patch", "Third Party 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Advisory"], "source": "cve@mitre.org"}, {"url": "https://www.debian.org/security/2020/dsa-4616", "tags": ["Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00007.html", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://www.openwall.com/lists/oss-security/2020/01/16/2", "tags": ["Mailing List", "Patch", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://access.redhat.com/errata/RHSA-2020:0348", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://access.redhat.com/errata/RHSA-2020:0775", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://gitlab.freedesktop.org/slirp/libslirp/commit/2655fffed7a9e765bcb4701dd876e9dab975f289", "tags": ["Patch", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://gitlab.freedesktop.org/slirp/libslirp/commit/82ebe9c370a0e2970fb5695aa19aa5214a6a1c80", "tags": ["Patch", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://gitlab.freedesktop.org/slirp/libslirp/commit/ce131029d6d4a405cb7d3ac6716d03e58fb4a5d9", "tags": ["Patch", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://lists.debian.org/debian-lts-announce/2020/01/msg00022.html", "tags": ["Mailing List", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://lists.debian.org/debian-lts-announce/2020/01/msg00036.html", "tags": ["Mailing List", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://lists.debian.org/debian-lts-announce/2021/02/msg00012.html", "tags": ["Mailing List", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://seclists.org/bugtraq/2020/Feb/0", "tags": ["Mailing List", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://security.gentoo.org/glsa/202005-02", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://usn.ubuntu.com/4283-1/", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://www.debian.org/security/2020/dsa-4616", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-787"}]}], "descriptions": [{"lang": "en", "value": "tcp_emu in tcp_subr.c in libslirp 4.1.0, as used in QEMU 4.2.0, mismanages memory, as demonstrated by IRC DCC commands in EMU_IRC. This can cause a heap-based buffer overflow or other out-of-bounds access which can lead to a DoS or potential execute arbitrary code."}, {"lang": "es", "value": "El archivo tcp_emu en tcp_subr.c en libslirp versi\u00f3n 4.1.0, como es usado en QEMU versi\u00f3n 4.2.0, administra inapropiadamente la memoria, como es demostrado por los comandos IRC DCC en EMU_IRC. Esto puede causar un desbordamiento del b\u00fafer en la regi\u00f3n heap de la memoria u otro acceso fuera de l\u00edmites que puede conllevar a una DoS o un c\u00f3digo arbitrario de ejecuci\u00f3n potencial."}], "lastModified": "2024-11-21T05:36:32.020", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:libslirp_project:libslirp:4.1.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "3679E165-A6B7-41B5-AC02-F38A00DAFD78"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:qemu:qemu:4.2.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "B224F3C1-3F8B-4178-82B1-4264C1811A0C"}, {"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"}, {"criteria": "cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "B620311B-34A3-48A6-82DF-6F078D7A4493"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}

5.6 /10