CVE-2020-7039

Advisory lineage Upstream: 0 Downstream: 36
Modified
Published: 16 Jan 2020, 22:51
Last modified:04 Aug 2024, 09:18

Vulnerability Summary

Overall Risk (default)
medium
27/100
CVSS Score
6.8 MEDIUM
v2.0 (nvd)
EPSS Score
0.83% LOW
1% probability 0.00%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

16 Jan 2020, 22:51
Published
Vulnerability first disclosed
04 Aug 2024, 09:18
Last Modified
Vulnerability information updated

Description

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 Metrics

  • v3.1•MEDIUM•Score: 5.6CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
  • v2.0•MEDIUM•Score: 6.8AV:N/AC:M/Au:N/C:P/I:P/A:P

EPSS Trends

Current EPSS score: 0.83%• Percentile: 75%

Techniques & Countermeasures

  • CWE-787•Out-of-bounds Write

    The product writes data past the end, or before the beginning, of the intended buffer.

Affected Systems

  • debian•debian_linux

    8.0 | 9.0

  • libslirp_project•libslirp

    4.1.0

  • opensuse•leap

    15.1

  • qemu•qemu

    4.2.0

References (14)