CVE-2018-1000654
Publication date 20 August 2018
Last updated 24 July 2024
Ubuntu priority
Cvss 3 Severity Score
GNU Libtasn1-4.13 libtasn1-4.13 version libtasn1-4.13, libtasn1-4.12 contains a DoS, specifically CPU usage will reach 100% when running asn1Paser against the POC due to an issue in _asn1_expand_object_id(p_tree), after a long time, the program will be killed. This attack appears to be exploitable via parsing a crafted file.
Status
Package | Ubuntu Release | Status |
---|---|---|
libtasn1-3 | 24.04 LTS noble | Not in release |
22.04 LTS jammy | Not in release | |
20.04 LTS focal | Not in release | |
18.04 LTS bionic | Not in release | |
16.04 LTS xenial | Not in release | |
14.04 LTS trusty | Not in release | |
libtasn1-6 | 24.04 LTS noble |
Not affected
|
22.04 LTS jammy |
Not affected
|
|
20.04 LTS focal |
Not affected
|
|
18.04 LTS bionic |
Needs evaluation
|
|
16.04 LTS xenial |
Fixed 4.7-3ubuntu0.16.04.3+esm2
|
|
14.04 LTS trusty |
Needs evaluation
|
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mdeslaur
only an issue during at build time, not at runtime. As such, marking as negigible
leosilva
no upstream fix as of 2018-10-09
rodrigo-zaiden
upstream released a fix on 2019-07.
Severity score breakdown
Parameter | Value |
---|---|
Base score | 5.5 · Medium |
Attack vector | Local |
Attack complexity | Low |
Privileges required | None |
User interaction | Required |
Scope | Unchanged |
Confidentiality | None |
Integrity impact | None |
Availability impact | High |
Vector | CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
References
Related Ubuntu Security Notices (USN)
- USN-5352-1
- Libtasn1 vulnerability
- 28 March 2022