CVE-2020-7039
- Source
- https://nvd.nist.gov/vuln/detail/CVE-2020-7039
- Import Source
- https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2020-7039.json
- JSON Data
- https://api.test.osv.dev/v1/vulns/CVE-2020-7039
- Downstream
- Related
- Published
- 2020-01-16T23:15:12Z
- Modified
- 2025-09-19T12:22:27.023775Z
- Severity
-
- 5.6 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L CVSS Calculator
- Summary
- [none]
- Details
-
tcpemu in tcpsubr.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.
- References
-
- http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00007.html
- http://www.openwall.com/lists/oss-security/2020/01/16/2
- https://access.redhat.com/errata/RHSA-2020:0348
- https://access.redhat.com/errata/RHSA-2020:0775
- https://gitlab.freedesktop.org/slirp/libslirp/commit/2655fffed7a9e765bcb4701dd876e9dab975f289
- https://gitlab.freedesktop.org/slirp/libslirp/commit/82ebe9c370a0e2970fb5695aa19aa5214a6a1c80
- https://gitlab.freedesktop.org/slirp/libslirp/commit/ce131029d6d4a405cb7d3ac6716d03e58fb4a5d9
- https://lists.debian.org/debian-lts-announce/2020/01/msg00022.html
- https://lists.debian.org/debian-lts-announce/2020/01/msg00036.html
- https://lists.debian.org/debian-lts-announce/2021/02/msg00012.html
- https://seclists.org/bugtraq/2020/Feb/0
- https://security.gentoo.org/glsa/202005-02
- https://usn.ubuntu.com/4283-1/
- https://www.debian.org/security/2020/dsa-4616
Affected packages
Git / github.com/qemu/qemu
Affected ranges
- Type
- GIT
- Repo
- https://github.com/qemu/qemu
- Events
-
Introduced0 Unknown introduced commit / All previous commits are affectedLast affectedLast affected
- Type
- GIT
- Repo
- https://github.com/spring-projects/spring-framework
- Events
-
Introduced0 Unknown introduced commit / All previous commits are affectedLast affectedLast affected
- Type
- GIT
- Repo
- https://gitlab.freedesktop.org/slirp/libslirp
- Events
-
Introduced0 Unknown introduced commit / All previous commits are affectedFixedFixedFixed
Affected versions
Other
release_0_10_0
release_0_10_1
release_0_10_2
release_0_6_0
release_0_6_1
release_0_7_0
release_0_7_1
release_0_8_1
release_0_8_2
release_0_9_0
release_0_9_1
v0.*
v0.1.0
v0.1.1
v0.1.3
v0.1.4
v0.1.5
v0.1.6
v0.10.0
v0.10.1
v0.10.2
v0.10.3
v0.10.4
v0.10.5
v0.10.6
v0.11.0-rc0
v0.12.0
v0.12.0-rc0
v0.12.0-rc1
v0.12.0-rc2
v0.12.1
v0.13.0
v0.13.0-rc0
v0.13.0-rc1
v0.13.0-rc2
v0.13.0-rc3
v0.14.0-rc0
v0.14.0-rc1
v0.15.0
v0.15.0-rc0
v0.15.0-rc1
v0.15.0-rc2
v0.15.1
v0.2.0
v0.3.0
v0.4.0
v0.4.1
v0.4.2
v0.4.3
v0.4.4
v0.5.0
v0.6.0
v0.6.1
v0.7.0
v0.7.1
v0.8.1
v0.8.2
v0.9.0
v0.9.1
v1.*
v1.0
v1.0-rc0
v1.0-rc1
v1.0-rc2
v1.0-rc3
v1.0-rc4
v1.0.1
v1.1-rc0
v1.1-rc1
v1.1-rc2
v1.1.0
v1.1.0-rc2
v1.1.0-rc3
v1.1.0-rc4
v1.1.1
v1.1.2
v1.2.0
v1.2.0-rc0
v1.2.0-rc1
v1.2.0-rc2
v1.2.0-rc3
v1.3.0
v1.3.0-rc0
v1.3.0-rc1
v1.3.0-rc2
v1.3.1
v1.4.0
v1.4.0-rc0
v1.4.0-rc1
v1.4.0-rc2
v1.5.0
v1.5.0-rc0
v1.5.0-rc1
v1.5.0-rc2
v1.5.0-rc3
v1.5.1
v1.5.2
v1.5.3
v1.6.0
v1.6.0-rc0
v1.6.0-rc1
v1.6.0-rc2
v1.6.0-rc3
v1.6.1
v1.6.2
v1.7.0
v1.7.0-rc0
v1.7.0-rc1
v1.7.0-rc2
v1.7.1
v1.7.2
v2.*
v2.0.0
v2.0.0-rc0
v2.0.0-rc1
v2.0.0-rc2
v2.0.0-rc3
v2.0.1
v2.0.2
v2.1.0
v2.1.0-rc0
v2.1.0-rc1
v2.1.0-rc2
v2.1.0-rc3
v2.1.0-rc4
v2.1.0-rc5
v2.1.1
v2.10.0
v2.10.0-rc0
v2.10.0-rc1
v2.10.0-rc2
v2.10.0-rc3
v2.10.0-rc4
v2.11.0
v2.11.0-rc0
v2.11.0-rc1
v2.11.0-rc2
v2.11.0-rc3
v2.11.0-rc4
v2.11.0-rc5
v2.11.1
v2.11.2
v2.12.0
v2.12.0-rc0
v2.12.0-rc1
v2.12.0-rc2
v2.12.0-rc3
v2.12.0-rc4
v2.12.1
v2.2.0
v2.2.0-rc0
v2.2.0-rc1
v2.2.0-rc2
v2.2.0-rc3
v2.2.0-rc4
v2.2.0-rc5
v2.2.1
v2.3.0
v2.3.0-rc0
v2.3.0-rc1
v2.3.0-rc2
v2.3.0-rc3
v2.3.0-rc4
v2.3.1
v2.4.0
v2.4.0-rc0
v2.4.0-rc1
v2.4.0-rc2
v2.4.0-rc3
v2.4.0-rc4
v2.4.0.1
v2.5.0
v2.5.0-rc0
v2.5.0-rc1
v2.5.0-rc2
v2.5.0-rc3
v2.5.0-rc4
v2.5.1
v2.5.1.1
v2.6.0
v2.6.0-rc0
v2.6.0-rc1
v2.6.0-rc2
v2.6.0-rc3
v2.6.0-rc4
v2.6.0-rc5
v2.7.0
v2.7.0-rc0
v2.7.0-rc1
v2.7.0-rc2
v2.7.0-rc3
v2.7.0-rc4
v2.7.0-rc5
v2.8.0
v2.8.0-rc0
v2.8.0-rc1
v2.8.0-rc2
v2.8.0-rc3
v2.8.0-rc4
v2.8.1
v2.8.1.1
v2.9.0
v2.9.0-rc0
v2.9.0-rc1
v2.9.0-rc2
v2.9.0-rc3
v2.9.0-rc4
v2.9.0-rc5
v3.*
v3.0.0
v3.0.0-rc0
v3.0.0-rc1
v3.0.0-rc2
v3.0.0-rc3
v3.0.0-rc4
v3.1.0
v3.1.0-rc0
v3.1.0-rc1
v3.1.0-rc2
v3.1.0-rc3
v3.1.0-rc4
v3.1.0-rc5
v4.*
v4.0.0
v4.0.0-rc0
v4.0.0-rc1
v4.0.0-rc2
v4.0.0-rc3
v4.0.0-rc4
v4.1.0
v4.1.0-rc0
v4.1.0-rc1
v4.1.0-rc2
v4.1.0-rc3
v4.1.0-rc4
v4.1.0-rc5
Database specific
{
"vanir_signatures": [
{
"digest": {
"threshold": 0.9,
"line_hashes": [
"241284285325634071912458277399824585701",
"101024470289889841703992026745821739860",
"46610385591659169243295099148013167523",
"132650339709434889629960677488439439114",
"3207942234795332521456043419559591854",
"95411540399998749707763516469279061285",
"319218515594435546624940427699079978353",
"204887157760773484595687427919028940019",
"95904249482584446495943420617708760582",
"3207942234795332521456043419559591854",
"209517937668929253962348685190549018146",
"40802723628150449286468541765947464847",
"134894284404824705336579519351776315941",
"111803825195004922490986731124225859938"
]
},
"id": "CVE-2020-7039-66dd0ac8",
"source": "https://gitlab.freedesktop.org/slirp/libslirp@ce131029d6d4a405cb7d3ac6716d03e58fb4a5d9",
"signature_type": "Line",
"signature_version": "v1",
"target": {
"file": "src/tcp_subr.c"
},
"deprecated": false
},
{
"digest": {
"function_hash": "221627384635618976683759339920942865720",
"length": 6632.0
},
"id": "CVE-2020-7039-8a519e5a",
"source": "https://gitlab.freedesktop.org/slirp/libslirp@ce131029d6d4a405cb7d3ac6716d03e58fb4a5d9",
"signature_type": "Function",
"signature_version": "v1",
"target": {
"file": "src/tcp_subr.c",
"function": "tcp_emu"
},
"deprecated": false
},
{
"digest": {
"function_hash": "140651076775259481436786107058209110775",
"length": 6508.0
},
"id": "CVE-2020-7039-ab5b2a67",
"source": "https://gitlab.freedesktop.org/slirp/libslirp@2655fffed7a9e765bcb4701dd876e9dab975f289",
"signature_type": "Function",
"signature_version": "v1",
"target": {
"file": "src/tcp_subr.c",
"function": "tcp_emu"
},
"deprecated": false
},
{
"digest": {
"threshold": 0.9,
"line_hashes": [
"15140320714121997435057219044735030567",
"156375986140405105978356906120087512541",
"316338764136262695171768734962189969112",
"244401903337416974613622709277191320620",
"241036784587630143944011798907199304443",
"142282155878608727980020123582809939206",
"32139479471153033922636960518668746078"
]
},
"id": "CVE-2020-7039-b7d4660f",
"source": "https://gitlab.freedesktop.org/slirp/libslirp@2655fffed7a9e765bcb4701dd876e9dab975f289",
"signature_type": "Line",
"signature_version": "v1",
"target": {
"file": "src/tcp_subr.c"
},
"deprecated": false
}
]
}