9.8crit

CVE-2020-9366

A buffer overflow was found in the way GNU Screen before 4.8.0 treated the special escape OSC 49.

Published 6 y ago · modified 4 mo ago · JSON

CVSS
9.8
v3.1 · NVD
CISA KEV
No
not known exploited
EPSS
2.7%
percentile 86%
Public exploits
0
none known

Summary

A buffer overflow was found in the way GNU Screen before 4.8.0 treated the special escape OSC 49. Specially crafted output, or a special program, could corrupt memory and crash Screen or possibly have unspecified other impact.

Exploit prediction (EPSS)

2.71% probability of exploitation in the next 30 days, higher than 86% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD3.19.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD2.07.5AV:N/AC:L/Au:N/C:P/I:P/A:P

Classification

Weakness

References

  • openwall.com /lists/oss-security/2020/02/06/3 · x_refsource_MISC, x_transferred
  • lists.gnu.org /archive/html/screen-devel/2020-02/msg00007.html · x_refsource_MISC, x_transferred
  • openwall.com /lists/oss-security/2020/02/25/1 · mailing-list, x_refsource_MLIST, x_transferred
  • security.gentoo.org /glsa/202003-62 · vendor-advisory, x_refsource_GENTOO, x_transferred

Sources

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.