CVE-2015-3294
Dnsmasq Remote Memory Disclosure Writable DOS
Description
The tcp_request function in Dnsmasq before 2.73rc4 does not properly handle the return value of the setup_reply function, which allows remote attackers to read process memory and cause a denial of service (out-of-bounds read and crash) via a malformed DNS request.
INFO
Published Date :
May 8, 2015, 2:59 p.m.
Last Modified :
April 12, 2025, 10:46 a.m.
Remotely Exploit :
Yes !
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 2.0 | MEDIUM | [email protected] |
Solution
- Update dnsmasq packages to a version greater than 2.73rc4.
- Apply available patches to address this vulnerability.
- Use your system's package manager to upgrade dnsmasq.
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-2015-3294.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2015-3294 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-2015-3294
weaknesses.
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).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2015-3294 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2015-3294 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://lists.opensuse.org/opensuse-updates/2015-05/msg00013.html Added Reference http://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2015q2/009382.html Added Reference http://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2015q2/009387.html Added Reference http://thekelleys.org.uk/gitweb/?p=dnsmasq.git%3Ba=commitdiff%3Bh=ad4a8ff7d9097008d7623df8543df435bfddeac8 Added Reference http://www.debian.org/security/2015/dsa-3251 Added Reference http://www.oracle.com/technetwork/topics/security/bulletinjul2015-2511963.html Added Reference http://www.securityfocus.com/archive/1/535354/100/1100/threaded Added Reference http://www.securityfocus.com/bid/74452 Added Reference http://www.securitytracker.com/id/1032195 Added Reference http://www.ubuntu.com/usn/USN-2593-1 Added Reference https://security.gentoo.org/glsa/201512-01 -
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
Nov. 07, 2023
Action Type Old Value New Value Added Reference MITRE http://thekelleys.org.uk/gitweb/?p=dnsmasq.git%3Ba=commitdiff%3Bh=ad4a8ff7d9097008d7623df8543df435bfddeac8 [No types assigned] Removed Reference MITRE http://thekelleys.org.uk/gitweb/?p=dnsmasq.git;a=commitdiff;h=ad4a8ff7d9097008d7623df8543df435bfddeac8 -
CVE Modified by [email protected]
Oct. 09, 2018
Action Type Old Value New Value Removed Reference http://www.securityfocus.com/archive/1/archive/1/535354/100/1100/threaded [No Types Assigned] Added Reference http://www.securityfocus.com/archive/1/535354/100/1100/threaded [No Types Assigned] -
CVE Modified by [email protected]
Jan. 03, 2017
Action Type Old Value New Value Added Reference http://www.securitytracker.com/id/1032195 [No Types Assigned] Added Reference http://www.securityfocus.com/bid/74452 [No Types Assigned] Added Reference http://lists.opensuse.org/opensuse-updates/2015-05/msg00013.html [No Types Assigned] -
CVE Modified by [email protected]
Dec. 07, 2016
Action Type Old Value New Value Added Reference https://security.gentoo.org/glsa/201512-01 [No Types Assigned] -
CVE Modified by [email protected]
Dec. 03, 2016
Action Type Old Value New Value Added Reference http://www.securityfocus.com/archive/1/archive/1/535354/100/1100/threaded [No Types Assigned] -
Modified Analysis by [email protected]
Oct. 21, 2016
Action Type Old Value New Value Changed CPE Configuration Configuration 1 OR *cpe:2.3:a:thekelleys:dnsmasq:2.73:rc3:*:*:*:*:*:* (and previous) Configuration 1 OR *cpe:2.3:a:thekelleys:dnsmasq:2.73:rc3:*:*:*:*:*:* (and previous) Configuration 2 OR *cpe:2.3:o:oracle:solaris:11.2:*:*:*:*:*:*:* Changed Reference Type http://www.oracle.com/technetwork/topics/security/bulletinjul2015-2511963.html No Types Assigned http://www.oracle.com/technetwork/topics/security/bulletinjul2015-2511963.html Third Party Advisory Changed Reference Type http://thekelleys.org.uk/gitweb/?p=dnsmasq.git;a=commitdiff;h=ad4a8ff7d9097008d7623df8543df435bfddeac8 No Types Assigned http://thekelleys.org.uk/gitweb/?p=dnsmasq.git;a=commitdiff;h=ad4a8ff7d9097008d7623df8543df435bfddeac8 Patch Changed Reference Type http://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2015q2/009387.html No Types Assigned http://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2015q2/009387.html Third Party Advisory -
Initial Analysis by [email protected]
Oct. 19, 2016
Action Type Old Value New Value Changed CPE Configuration Configuration 1 OR *cpe:2.3:a:thekelleys:dnsmasq:2.73:rc3:*:*:*:*:*:* (and previous) Configuration 1 OR *cpe:2.3:o:oracle:solaris:11.2:*:*:*:*:*:*:* Configuration 2 OR *cpe:2.3:a:thekelleys:dnsmasq:2.73:rc3:*:*:*:*:*:* (and previous) Changed Reference Type http://www.oracle.com/technetwork/topics/security/bulletinjul2015-2511963.html No Types Assigned http://www.oracle.com/technetwork/topics/security/bulletinjul2015-2511963.html Third Party Advisory Changed Reference Type http://thekelleys.org.uk/gitweb/?p=dnsmasq.git;a=commitdiff;h=ad4a8ff7d9097008d7623df8543df435bfddeac8 No Types Assigned http://thekelleys.org.uk/gitweb/?p=dnsmasq.git;a=commitdiff;h=ad4a8ff7d9097008d7623df8543df435bfddeac8 Patch Changed Reference Type http://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2015q2/009387.html No Types Assigned http://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2015q2/009387.html Third Party Advisory -
CVE Modified by [email protected]
Oct. 18, 2016
Action Type Old Value New Value Added Reference http://www.oracle.com/technetwork/topics/security/bulletinjul2015-2511963.html -
Modified Analysis by [email protected]
May. 11, 2015
Action Type Old Value New Value Added CPE Configuration Configuration 1 OR *cpe:2.3:a:thekelleys:dnsmasq:2.73:rc3:*:*:*:*:*:* (and previous) Added CVSS V2 (AV:N/AC:L/Au:N/C:P/I:N/A:P) Changed Reference Type http://www.debian.org/security/2015/dsa-3251 No Types Assigned http://www.debian.org/security/2015/dsa-3251 Advisory Changed Reference Type http://www.ubuntu.com/usn/USN-2593-1 No Types Assigned http://www.ubuntu.com/usn/USN-2593-1 Advisory Changed Reference Type http://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2015q2/009382.html No Types Assigned http://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2015q2/009382.html Exploit Added CWE CWE-19 -
Initial Analysis by [email protected]
May. 11, 2015
Action Type Old Value New Value
Vulnerability Scoring Details
Base CVSS Score: 6.4
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.18 }} -0.00%
score
0.40089
percentile