CVE detail
CVE-2017-13704
In dnsmasq before 2.78, if the DNS packet size does not match the expected size, the size parameter in a memset call gets a negative value. As it is an unsigned value, memset ends up writing up to 0xffffffff zero's (0xffffffffffffffff in 64 bit platforms), making dnsmasq crash.
Buzz score
Why this CVE is surfacing
This all-time snapshot uses the same composite formula as Trending across a 30-year evidence window, rather than a current rolling window.
Buzz score components · mention 17.9 · diversity 8.0 · KEV 0.0 · OTX 0.0 · PoC 0.0
Why it matters now
Mention timeline
- Total mentions
- 0
- within the 30d window
- Peak daily
- 0
- highest bucket
Evidence
Source links by recency
5 source links · newest first
- Recently Patched Dnsmasq still affect Siemens Industrial devicesSecurity Affairs
Siemens published a security advisory to confirm that four of the seven Dnsmasq vulnerabilities affect some of its SCALANCE products In October, Google security experts disclosed seven distinct vulnerabilities in the Dnsmasq software package. From the authors’ website, “Dnsmasq provides network infrastructure for small networks: DNS, DHCP, router advertisement and network boot.” In practice, the Dnsmasq code has been widely leveraged in […]
newssecurityaffairs.comNov 29, 2017, 2:38 PM Some of the vulnerabilities discovered recently by Google researchers in the Dnsmasq network services software affect several Siemens SCALANCE industrial communications products.
newswww.securityweek.comNov 29, 2017, 1:20 PMGoogle researchers disclosed seven serious flaws in an open-source DNS software package Dnsmasq, which is is commonly preinstalled on routers, servers, smartphones, IoT devices and operating systems such the Linux distributions Ubuntu and Debian. The most severe of the vulnerabilities could be remotely exploited to run malicious code and hijack the device. The disclosed vulnerabilities […]
newswww.csoonline.comOct 3, 2017, 4:01 PMOrganizations, including several major tech companies, have started publishing security advisories to warn customers about serious vulnerabilities discovered by Google researchers in the Dnsmasq network services software.
newswww.securityweek.comOct 3, 2017, 3:13 PMGoogle employees have identified a total of seven vulnerabilities, including ones that allow remote code execution, in the Dnsmasq network services software.
newswww.securityweek.comOct 2, 2017, 2:42 PM
Exploit code
Public exploit repository references
Public PoC repositories are third-party, potentially unsafe artifacts. Treat their code as untrusted and use it only on authorized systems in an isolated, least-privilege environment. cvebuzz does not execute the code or verify that an exploit works.
0 repository references · best confidence N/A · max 0 stars
Related records
Similar CVEs
6 related CVEs with shared weakness or product evidence
- CVE-2020-25717CVSS 8.1 · High
A flaw was found in the way Samba maps domain users to local users. An authenticated attacker could use this flaw to cause possible privilege escalation.
- CVE-2019-13750CVSS 6.5 · Medium
Insufficient data validation in SQLite in Google Chrome prior to 79.0.3945.79 allowed a remote attacker to bypass defense-in-depth measures via a crafted HTML page.
- CVE-2018-20662CVSS 6.5 · Medium
In Poppler 0.72.0, PDFDoc::setup in PDFDoc.cc allows attackers to cause a denial-of-service (application crash caused by Object.h SIGABRT, because of a wrong return value from PDF…
- CVE-2018-1061CVSS 6.5 · Medium
python before versions 2.7.15, 3.4.9, 3.5.6rc1, 3.6.5rc1 and 3.7.0 is vulnerable to catastrophic backtracking in the difflib.IS_LINE_JUNK method. An attacker could use this flaw…
- CVE-2018-1060CVSS 7.5 · High
python before versions 2.7.15, 3.4.9, 3.5.6rc1, 3.6.5rc1 and 3.7.0 is vulnerable to catastrophic backtracking in pop3lib's apop() method. An attacker could use this flaw to cause…
- CVE-2015-5195CVSS 7.5 · High
ntp_openssl.m4 in ntpd in NTP before 4.2.7p112 allows remote attackers to cause a denial of service (segmentation fault) via a crafted statistics or filegen configuration command…