CVE-2020-35493
Published: 4 January 2021
A flaw exists in binutils in bfd/pef.c. An attacker who is able to submit a crafted PEF file to be parsed by objdump could cause a heap buffer overflow -> out-of-bounds read that could lead to an impact to application availability. This flaw affects binutils versions prior to 2.34.
Notes
| Author | Note |
|---|---|
| mdeslaur | pef.c isn't compiled in Ubuntu package |
Priority
Status
| Package | Release | Status |
|---|---|---|
|
binutils Launchpad, Ubuntu, Debian |
bionic |
Not vulnerable
(code not compiled)
|
| focal |
Not vulnerable
(2.34-6ubuntu1)
|
|
| groovy |
Not vulnerable
(2.35.1-1ubuntu1)
|
|
| hirsute |
Not vulnerable
(2.35.50.20201210-0ubuntu2)
|
|
| impish |
Not vulnerable
(2.35.50.20201210-0ubuntu2)
|
|
| jammy |
Not vulnerable
(2.35.50.20201210-0ubuntu2)
|
|
| trusty |
Not vulnerable
(code not compiled)
|
|
| upstream |
Released
(2.33.50.20200107-1)
|
|
| xenial |
Not vulnerable
(code not compiled)
|
|
|
Patches: upstream: https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=f2a3559d54602cecfec6d90f792be4a70ad918ab |
||
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 5.5 |
| Attack vector | Local |
| Attack complexity | Low |
| Privileges required | None |
| User interaction | Required |
| Scope | Unchanged |
| Confidentiality | None |
| Integrity impact | None |
| Availability impact | High |
| Vector | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |