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Fencer Vulns
high 7.8

CVE-2017-5731 json

Bounds checking in Tianocompress before November 7, 2017 may allow an authenticated user to potentially enable an escalation of privilege v…

published 2019-10-28 7 y ago modified 2026-06-17 4 mo ago also EUVD-2017-14808

cvss
7.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.4%
EPSS 0.4% chance of exploitation in 30 days, percentile 33%
public exploits
0
none known

Summary

Bounds checking in Tianocompress before November 7, 2017 may allow an authenticated user to potentially enable an escalation of privilege via local access.

Patch / fix

  • tianocore edk2 2017-11-07
  • edk2 Ubuntu Pro 16.04 LTS 0~20160408.ffea0a2c-2ubuntu0.2+esm1
  • edk2 Ubuntu Pro 18.04 LTS 0~20180205.c0d9813c-2ubuntu0.3+esm1

ubuntu advisories UBUNTU-CVE-2017-5731

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • ovmf RHEL 7 20180508-6.gitee3198e672e2.el7
  • OVMF RHEL 7 20180508-6.gitee3198e672e2.el7

red hat advisories RHSA-2019:2125

  • ovmf SLES for SAP 12 SP3, SLES 12 SP3 2017+git1492060560.b6d11d7c46-4.17.1
  • ovmf SLES for SAP 12 SP4, SLES 12 SP4, SLED 12 SP4 2017+git1510945757.b2662641d5-3.5.1
  • ovmf SLE Module for Server Applications 15 2017+git1510945757.b2662641d5-5.11.1

suse advisories SUSE-SU-2018:4207-1SUSE-SU-2018:4194-1SUSE-SU-2018:4155-1

  • ovmf openSUSE Tumbleweed 202105-3.4

opensuse advisories openSUSE-SU-2024:11134-1

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2017-5731 updated cvss 6.7

edk2: Privilege escalation via processing of malformed files in TianoCompress.c

  • Red Hat Enterprise Linux Server (v. 7) ovmf 20180508-6.gitee3198e672e2.el7, OVMF 20180508-6.gitee3198e672e2.el7
    fixed: vendor fix RHSA-2019:2125
  • Red Hat Enterprise Linux 8 edk2, edk2-ovmf, edk2-aarch64
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

0.39% chance of exploitation in the next 30 days, higher than 33% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 4.6 AV:L/AC:L/Au:N/C:P/I:P/A:P

Affected products

  • n/a Tianocore

Classification

Weakness
  • CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.