CVE-2018-20482
GNU Tar Sparse File Modification Denial of Service
Description
GNU Tar through 1.30, when --sparse is used, mishandles file shrinkage during read access, which allows local users to cause a denial of service (infinite read loop in sparse_dump_region in sparse.c) by modifying a file that is supposed to be archived by a different user's process (e.g., a system backup running as root).
INFO
Published Date :
Dec. 26, 2018, 6:29 p.m.
Last Modified :
Nov. 21, 2024, 4:01 a.m.
Source :
[email protected]
Remotely Exploitable :
No
Impact Score :
3.6
Exploitability Score :
1.0
Public PoC/Exploit Available at Github
CVE-2018-20482 has a 7 public PoC/Exploit
available at Github.
Go to the Public Exploits
tab to see the list.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2018-20482
.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Map Vulnerabilities into Different Layers of the Container Image
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A Simple and Comprehensive Vulnerability Scanner for Containers, Suitable for CI for Web
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Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2018-20482
vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2018-20482
vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by af854a3a-2127-422b-91ae-364da2661108
Nov. 21, 2024
Action Type Old Value New Value Added Reference http://git.savannah.gnu.org/cgit/tar.git/commit/?id=c15c42ccd1e2377945fd0414eca1a49294bff454 Added Reference http://lists.gnu.org/archive/html/bug-tar/2018-12/msg00023.html Added Reference http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00077.html Added Reference http://www.securityfocus.com/bid/106354 Added Reference https://lists.debian.org/debian-lts-announce/2018/12/msg00023.html Added Reference https://lists.debian.org/debian-lts-announce/2021/11/msg00025.html Added Reference https://news.ycombinator.com/item?id=18745431 Added Reference https://security.gentoo.org/glsa/201903-05 Added Reference https://twitter.com/thatcks/status/1076166645708668928 Added Reference https://utcc.utoronto.ca/~cks/space/blog/sysadmin/TarFindingTruncateBug -
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
Modified Analysis by [email protected]
Nov. 30, 2021
Action Type Old Value New Value Removed CVSS V3 NIST AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H Added CVSS V3.1 NIST AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H Changed Reference Type https://lists.debian.org/debian-lts-announce/2021/11/msg00025.html No Types Assigned https://lists.debian.org/debian-lts-announce/2021/11/msg00025.html Mailing List, Third Party Advisory Changed CPE Configuration OR *cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* OR *cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* *cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Nov. 28, 2021
Action Type Old Value New Value Added Reference https://lists.debian.org/debian-lts-announce/2021/11/msg00025.html [No Types Assigned] -
CWE Remap by [email protected]
Oct. 03, 2019
Action Type Old Value New Value Changed CWE CWE-125 CWE-125 CWE-835 -
Modified Analysis by [email protected]
Apr. 26, 2019
Action Type Old Value New Value Changed Reference Type http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00077.html No Types Assigned http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00077.html Mailing List, Third Party Advisory Added CPE Configuration OR *cpe:2.3:o:opensuse:leap:15.0:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Apr. 18, 2019
Action Type Old Value New Value Added Reference http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00077.html [No Types Assigned] -
Modified Analysis by [email protected]
Mar. 13, 2019
Action Type Old Value New Value Changed Reference Type https://security.gentoo.org/glsa/201903-05 No Types Assigned https://security.gentoo.org/glsa/201903-05 Third Party Advisory -
CVE Modified by [email protected]
Mar. 11, 2019
Action Type Old Value New Value Added Reference https://security.gentoo.org/glsa/201903-05 [No Types Assigned] -
Initial Analysis by [email protected]
Feb. 14, 2019
Action Type Old Value New Value Added CVSS V2 (AV:L/AC:M/Au:N/C:N/I:N/A:P) Added CVSS V3 AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H Changed Reference Type https://lists.debian.org/debian-lts-announce/2018/12/msg00023.html No Types Assigned https://lists.debian.org/debian-lts-announce/2018/12/msg00023.html Mailing List, Third Party Advisory Changed Reference Type http://www.securityfocus.com/bid/106354 No Types Assigned http://www.securityfocus.com/bid/106354 Third Party Advisory, VDB Entry Changed Reference Type https://news.ycombinator.com/item?id=18745431 No Types Assigned https://news.ycombinator.com/item?id=18745431 Exploit, Third Party Advisory Changed Reference Type http://lists.gnu.org/archive/html/bug-tar/2018-12/msg00023.html No Types Assigned http://lists.gnu.org/archive/html/bug-tar/2018-12/msg00023.html Third Party Advisory Changed Reference Type https://twitter.com/thatcks/status/1076166645708668928 No Types Assigned https://twitter.com/thatcks/status/1076166645708668928 Patch, Third Party Advisory Changed Reference Type https://utcc.utoronto.ca/~cks/space/blog/sysadmin/TarFindingTruncateBug No Types Assigned https://utcc.utoronto.ca/~cks/space/blog/sysadmin/TarFindingTruncateBug Patch, Third Party Advisory Changed Reference Type http://git.savannah.gnu.org/cgit/tar.git/commit/?id=c15c42ccd1e2377945fd0414eca1a49294bff454 No Types Assigned http://git.savannah.gnu.org/cgit/tar.git/commit/?id=c15c42ccd1e2377945fd0414eca1a49294bff454 Patch, Third Party Advisory Added CWE CWE-125 Added CPE Configuration OR *cpe:2.3:a:gnu:tar:*:*:*:*:*:*:*:* versions up to (including) 1.30 Added CPE Configuration OR *cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Jan. 03, 2019
Action Type Old Value New Value Added Reference http://git.savannah.gnu.org/cgit/tar.git/commit/?id=c15c42ccd1e2377945fd0414eca1a49294bff454 [No Types Assigned] -
CVE Modified by [email protected]
Jan. 01, 2019
Action Type Old Value New Value Added Reference https://lists.debian.org/debian-lts-announce/2018/12/msg00023.html [No Types Assigned] Added Reference http://www.securityfocus.com/bid/106354 [No Types Assigned] -
CVE Modified by [email protected]
Dec. 27, 2018
Action Type Old Value New Value Added Reference http://lists.gnu.org/archive/html/bug-tar/2018-12/msg00023.html [No Types Assigned]
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2018-20482
is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2018-20482
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.04 }} 0.00%
score
0.05635
percentile