Debian Security Bug TrackerDEBIANCVE:CVE-2020-7039CVE-2020-7039
5.6 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
LOW
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
6.8 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:P/I:P/A:P
0.004 Low
EPSS
Percentile
71.9%
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.
| OS | Version | Architecture | Package | Version | Filename |
|---|---|---|---|---|---|
| Debian | 12 | all | libslirp | < 4.1.0-2 | libslirp_4.1.0-2_all.deb |
| Debian | 11 | all | libslirp | < 4.1.0-2 | libslirp_4.1.0-2_all.deb |
| Debian | 999 | all | libslirp | < 4.1.0-2 | libslirp_4.1.0-2_all.deb |
| Debian | 13 | all | libslirp | < 4.1.0-2 | libslirp_4.1.0-2_all.deb |
| Debian | 12 | all | qemu | < 1:4.1-2 | qemu_1:4.1-2_all.deb |
| Debian | 11 | all | qemu | < 1:4.1-2 | qemu_1:4.1-2_all.deb |
| Debian | 10 | all | qemu | < 1:3.1+dfsg-8+deb10u4 | qemu_1:3.1+dfsg-8+deb10u4_all.deb |
| Debian | 999 | all | qemu | < 1:4.1-2 | qemu_1:4.1-2_all.deb |
| Debian | 13 | all | qemu | < 1:4.1-2 | qemu_1:4.1-2_all.deb |
| Debian | 12 | all | slirp | < 1:1.0.17-10 | slirp_1:1.0.17-10_all.deb |
Related
5.6 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
LOW
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
6.8 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:P/I:P/A:P
0.004 Low
EPSS
Percentile
71.9%