CVE-2015-3294
6.4 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:N/A:P
6.3 Medium
AI Score
Confidence
Low
0.017 Low
EPSS
Percentile
88.0%
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.
Affected configurations
References
lists.opensuse.org/opensuse-updates/2015-05/msg00013.html
lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2015q2/009382.html
lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2015q2/009387.html
thekelleys.org.uk/gitweb/?p=dnsmasq.git%3Ba=commitdiff%3Bh=ad4a8ff7d9097008d7623df8543df435bfddeac8
www.debian.org/security/2015/dsa-3251
www.oracle.com/technetwork/topics/security/bulletinjul2015-2511963.html
www.securityfocus.com/archive/1/535354/100/1100/threaded
www.securityfocus.com/bid/74452
www.securitytracker.com/id/1032195
www.ubuntu.com/usn/USN-2593-1
security.gentoo.org/glsa/201512-01
Related
6.4 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:N/A:P
6.3 Medium
AI Score
Confidence
Low
0.017 Low
EPSS
Percentile
88.0%