CVE-2018-18483

Publication date 18 October 2018

Last updated 24 July 2024


Ubuntu priority

Cvss 3 Severity Score

7.8 · High

Score breakdown

The get_count function in cplus-dem.c in GNU libiberty, as distributed in GNU Binutils 2.31, allows remote attackers to cause a denial of service (malloc called with the result of an integer-overflowing calculation) or possibly have unspecified other impact via a crafted string, as demonstrated by c++filt.

Read the notes from the security team

Status

Package Ubuntu Release Status
binutils 24.10 oracular
Not affected
24.04 LTS noble
Not affected
23.10 mantic
Not affected
23.04 lunar
Not affected
22.10 kinetic
Not affected
22.04 LTS jammy
Not affected
21.10 impish
Not affected
21.04 hirsute
Not affected
20.10 groovy
Not affected
20.04 LTS focal
Not affected
19.10 eoan
Not affected
19.04 disco Ignored end of life
18.10 cosmic Ignored end of life
18.04 LTS bionic
Fixed 2.30-21ubuntu1~18.04.3
17.10 artful Ignored end of life
16.04 LTS xenial
14.04 LTS trusty
Vulnerable
libiberty 24.10 oracular
Not affected
24.04 LTS noble
Not affected
23.10 mantic
Not affected
23.04 lunar
Not affected
22.10 kinetic
Not affected
22.04 LTS jammy
Not affected
21.10 impish
Not affected
21.04 hirsute
Not affected
20.10 groovy
Not affected
20.04 LTS focal
Not affected
19.10 eoan
Not affected
19.04 disco Ignored end of life
18.10 cosmic Ignored end of life
18.04 LTS bionic
Fixed 20170913-1ubuntu0.1
16.04 LTS xenial
Fixed 20160215-1ubuntu0.3
14.04 LTS trusty Not in release

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Notes


mdeslaur

same commit as CVE-2018-12934

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package Patch details
binutils

Severity score breakdown

Parameter Value
Base score 7.8 · High
Attack vector Local
Attack complexity Low
Privileges required None
User interaction Required
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

References

Related Ubuntu Security Notices (USN)

    • USN-4336-1
    • GNU binutils vulnerabilities
    • 22 April 2020
    • USN-4326-1
    • libiberty vulnerabilities
    • 8 April 2020
    • USN-4336-2
    • GNU binutils vulnerabilities
    • 21 July 2021

Other references