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 |
bionic |
Not vulnerable
(code not present)
|
| focal |
Not vulnerable
(code not present)
|
|
| groovy |
Ignored
(end of life)
|
|
| hirsute |
Not vulnerable
(2.36.1-6ubuntu1)
|
|
| impish |
Not vulnerable
(2.36.1-6ubuntu1)
|
|
| jammy |
Not vulnerable
(2.36.1-6ubuntu1)
|
|
| trusty |
Not vulnerable
(code not present)
|
|
| upstream |
Needs triage
|
|
| xenial |
Not vulnerable
(code not present)
|
|
|
Patches: upstream: https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=ddb43bab174 upstream: https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=372dd157272e0674d13372655cc60eaca9c06926 |
||
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 |