CVE-2021-20294
Published: 29 April 2021
A flaw was found in binutils readelf 2.35 program. An attacker who is able to convince a victim using readelf to read a crafted file could trigger a stack buffer overflow, out-of-bounds write of arbitrary data supplied by the attacker. The highest impact of this flaw is to confidentiality, integrity, and availability.
Notes
Author | Note |
---|---|
mdeslaur | introduced in: https://sourceware.org/git/?p=binutils-gdb.git;a=commit;h=0942c7ab94e554657c3e11ab85ae7f15373ee80d |
Priority
Status
Package | Release | Status |
---|---|---|
binutils Launchpad, Ubuntu, Debian |
jammy |
Not vulnerable
(2.36.1-6ubuntu1)
|
impish |
Not vulnerable
(2.36.1-6ubuntu1)
|
|
hirsute |
Not vulnerable
(2.36.1-6ubuntu1)
|
|
upstream |
Needs triage
|
|
bionic |
Not vulnerable
(code not present)
|
|
focal |
Not vulnerable
(code not present)
|
|
groovy |
Ignored
(end of life)
|
|
trusty |
Not vulnerable
(code not present)
|
|
xenial |
Not vulnerable
(code not present)
|
|
Patches: upstream: https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=ddb43bab174 (master) upstream: https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=372dd157272e0674d13372655cc60eaca9c06926 (2.35) |
Severity score breakdown
Parameter | Value |
---|---|
Base score | 7.8 |
Attack vector | Local |
Attack complexity | Low |
Privileges required | None |
User interaction | Required |
Scope | Unchanged |
Confidentiality | High |
Integrity impact | High |
Availability impact | High |
Vector | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |