CVE-2020-1751

An out-of-bounds write vulnerability was found in glibc before 2.31 when handling signal trampolines on PowerPC. Specifically, the backtrace function did not properly check the array bounds when storing the frame address, resulting in a denial of service or potential code execution. The highest threat from this vulnerability is to system availability.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
5.1 MEDIUM
LOCAL
HIGH
NONE
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
redhatCNA
5.1 MEDIUM
LOCAL
HIGH
NONE
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
CVEADP
---
---
Base Score
CVSS 3.x
EPSS Score
Percentile: 43%
VendorProductVersion
gnuglibc
𝑥
< 2.31
redhatenterprise_linux
8.0
canonicalubuntu_linux
16.04
canonicalubuntu_linux
18.04
canonicalubuntu_linux
19.10
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
glibc
bullseye
2.31-13+deb11u11
fixed
buster
ignored
bullseye (security)
2.31-13+deb11u10
fixed
bookworm
2.36-9+deb12u8
fixed
bookworm (security)
2.36-9+deb12u7
fixed
sid
2.40-3
fixed
trixie
2.40-3
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
eglibc
focal
dne
eoan
dne
bionic
dne
xenial
dne
trusty
ignored
glibc
focal
not-affected
eoan
Fixed 2.30-0ubuntu2.2
released
bionic
Fixed 2.27-3ubuntu1.2
released
xenial
Fixed 2.23-0ubuntu11.2
released
trusty
dne
Common Weakness Enumeration
References
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-1751
https://security.gentoo.org/glsa/202006-04
https://security.netapp.com/advisory/ntap-20200430-0002/
https://sourceware.org/bugzilla/show_bug.cgi?id=25423
https://usn.ubuntu.com/4416-1/
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-1751
https://security.gentoo.org/glsa/202006-04
https://security.netapp.com/advisory/ntap-20200430-0002/
https://sourceware.org/bugzilla/show_bug.cgi?id=25423
https://usn.ubuntu.com/4416-1/