CVE-2017-7961
Libcroco Denial of Service Integer Overflow
Description
The cr_tknzr_parse_rgb function in cr-tknzr.c in libcroco 0.6.11 and 0.6.12 has an "outside the range of representable values of type long" undefined behavior issue, which might allow remote attackers to cause a denial of service (application crash) or possibly have unspecified other impact via a crafted CSS file. NOTE: third-party analysis reports "This is not a security issue in my view. The conversion surely is truncating the double into a long value, but there is no impact as the value is one of the RGB components.
INFO
Published Date :
April 19, 2017, 3:59 p.m.
Last Modified :
Aug. 5, 2024, 5:15 p.m.
Source :
[email protected]
Remotely Exploitable :
No
Impact Score :
5.9
Exploitability Score :
1.8
Public PoC/Exploit Available at Github
CVE-2017-7961 has a 2 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-2017-7961.
| URL | Resource |
|---|---|
| http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00043.html | |
| http://openwall.com/lists/oss-security/2017/04/24/2 | Mailing List Patch Third Party Advisory |
| https://blogs.gentoo.org/ago/2017/04/17/libcroco-heap-overflow-and-undefined-behavior/ | Exploit Patch Third Party Advisory |
| https://bugzilla.suse.com/show_bug.cgi?id=1034482 | Issue Tracking Patch Third Party Advisory |
| https://git.gnome.org/browse/libcroco/commit/?id=9ad72875e9f08e4c519ef63d44cdbd94aa9504f7 | Issue Tracking Patch Third Party Advisory |
| https://security.gentoo.org/glsa/201707-13 | Third Party Advisory |
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
Python
None
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2017-7961 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2017-7961 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 [email protected]
Aug. 05, 2024
Action Type Old Value New Value -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Jul. 03, 2024
Action Type Old Value New Value Added CVSS V3.1 CISA-ADP AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H -
CVE Modified by [email protected]
Jun. 04, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
May. 17, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
Apr. 11, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
Mar. 21, 2024
Action Type Old Value New Value Added Tag MITRE disputed -
CVE Modified by [email protected]
Nov. 07, 2023
Action Type Old Value New Value Changed Description ** DISPUTED ** The cr_tknzr_parse_rgb function in cr-tknzr.c in libcroco 0.6.11 and 0.6.12 has an "outside the range of representable values of type long" undefined behavior issue, which might allow remote attackers to cause a denial of service (application crash) or possibly have unspecified other impact via a crafted CSS file. NOTE: third-party analysis reports "This is not a security issue in my view. The conversion surely is truncating the double into a long value, but there is no impact as the value is one of the RGB components." The cr_tknzr_parse_rgb function in cr-tknzr.c in libcroco 0.6.11 and 0.6.12 has an "outside the range of representable values of type long" undefined behavior issue, which might allow remote attackers to cause a denial of service (application crash) or possibly have unspecified other impact via a crafted CSS file. NOTE: third-party analysis reports "This is not a security issue in my view. The conversion surely is truncating the double into a long value, but there is no impact as the value is one of the RGB components. -
CVE Modified by [email protected]
Jun. 18, 2019
Action Type Old Value New Value Added Reference http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00043.html [No Types Assigned] -
Modified Analysis by [email protected]
Mar. 26, 2019
Action Type Old Value New Value Changed Reference Type http://openwall.com/lists/oss-security/2017/04/24/2 No Types Assigned http://openwall.com/lists/oss-security/2017/04/24/2 Mailing List, Patch, Third Party Advisory Changed Reference Type https://security.gentoo.org/glsa/201707-13 No Types Assigned https://security.gentoo.org/glsa/201707-13 Third Party Advisory Changed Reference Type https://bugzilla.suse.com/show_bug.cgi?id=1034482 No Types Assigned https://bugzilla.suse.com/show_bug.cgi?id=1034482 Issue Tracking, Patch, Third Party Advisory -
CVE Modified by [email protected]
Jul. 11, 2017
Action Type Old Value New Value Added Reference https://security.gentoo.org/glsa/201707-13 [No Types Assigned] -
CVE Modified by [email protected]
Apr. 25, 2017
Action Type Old Value New Value Changed Description The cr_tknzr_parse_rgb function in cr-tknzr.c in libcroco 0.6.11 and 0.6.12 has an "outside the range of representable values of type long" undefined behavior issue, which might allow remote attackers to cause a denial of service (application crash) or possibly have unspecified other impact via a crafted CSS file. ** DISPUTED ** The cr_tknzr_parse_rgb function in cr-tknzr.c in libcroco 0.6.11 and 0.6.12 has an "outside the range of representable values of type long" undefined behavior issue, which might allow remote attackers to cause a denial of service (application crash) or possibly have unspecified other impact via a crafted CSS file. NOTE: third-party analysis reports "This is not a security issue in my view. The conversion surely is truncating the double into a long value, but there is no impact as the value is one of the RGB components." Added Reference https://bugzilla.suse.com/show_bug.cgi?id=1034482 [No Types Assigned] Added Reference http://openwall.com/lists/oss-security/2017/04/24/2 [No Types Assigned] -
Initial Analysis by [email protected]
Apr. 25, 2017
Action Type Old Value New Value Added CVSS V2 (AV:N/AC:M/Au:N/C:P/I:P/A:P) Added CVSS V3 AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Changed Reference Type https://git.gnome.org/browse/libcroco/commit/?id=9ad72875e9f08e4c519ef63d44cdbd94aa9504f7 No Types Assigned https://git.gnome.org/browse/libcroco/commit/?id=9ad72875e9f08e4c519ef63d44cdbd94aa9504f7 Issue Tracking, Patch, Third Party Advisory Changed Reference Type https://blogs.gentoo.org/ago/2017/04/17/libcroco-heap-overflow-and-undefined-behavior/ No Types Assigned https://blogs.gentoo.org/ago/2017/04/17/libcroco-heap-overflow-and-undefined-behavior/ Exploit, Patch, Third Party Advisory Added CWE CWE-119 Added CPE Configuration OR *cpe:2.3:a:gnome:libcroco:0.6.11:*:*:*:*:*:*:* *cpe:2.3:a:gnome:libcroco:0.6.12:*:*:*:*:*:*:*
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2017-7961 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-2017-7961
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.70 }} 0.01%
score
0.80018
percentile