CVE-2017-13704
Severity Score
7.5
*CVSS v3
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
0
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
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.
En las versiones anteriores a la 2.78 de dnsmasq, si el tamaño del paquete DNS no coincide con el tamaño esperado, el parámetro size en una llamada memset obtiene un valor negativo. Como es un valor sin signo, memset acaba escribiendo hasta 0xffffffff ceros (0xffffffffffffffff en plataformas de 64 bits), haciendo que dnsmasq se cierre de manera inesperada.
*Credits:
N/A
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Authentication
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:-
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2017-08-25 CVE Reserved
- 2017-10-02 CVE Published
- 2024-01-06 EPSS Updated
- 2024-08-05 CVE Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-20: Improper Input Validation
CAPEC
References (12)
| URL | Tag | Source |
|---|---|---|
| http://thekelleys.org.uk/gitweb/?p=dnsmasq.git%3Ba=commit%3Bh=63437ffbb58837b214b4b92cb1c54bc5f3279928 | X_refsource_confirm | |
| http://www.securityfocus.com/bid/101085 | Third Party Advisory | |
| http://www.securityfocus.com/bid/101977 | Vdb Entry | |
| http://www.securitytracker.com/id/1039474 | Third Party Advisory | |
| https://access.redhat.com/security/vulnerabilities/3199382 | Issue Tracking | |
| https://cert-portal.siemens.com/productcert/pdf/ssa-689071.pdf | X_refsource_confirm |
|
| https://security.googleblog.com/2017/10/behind-masq-yet-more-dns-and-dhcp.html | Third Party Advisory | |
| https://www.mail-archive.com/dnsmasq-discuss%40lists.thekelleys.org.uk/msg11664.html | Mailing List | |
| https://www.mail-archive.com/dnsmasq-discuss%40lists.thekelleys.org.uk/msg11665.html | Mailing List | |
| https://www.synology.com/support/security/Synology_SA_17_59_Dnsmasq | X_refsource_confirm |
|
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Canonical Search vendor "Canonical" | Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux" | 14.04 Search vendor "Canonical" for product "Ubuntu Linux" and version "14.04" | lts |
Affected
| ||||||
| Canonical Search vendor "Canonical" | Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux" | 16.04 Search vendor "Canonical" for product "Ubuntu Linux" and version "16.04" | lts |
Affected
| ||||||
| Canonical Search vendor "Canonical" | Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux" | 17.04 Search vendor "Canonical" for product "Ubuntu Linux" and version "17.04" | - |
Affected
| ||||||
| Debian Search vendor "Debian" | Debian Linux Search vendor "Debian" for product "Debian Linux" | 7.0 Search vendor "Debian" for product "Debian Linux" and version "7.0" | - |
Affected
| ||||||
| Debian Search vendor "Debian" | Debian Linux Search vendor "Debian" for product "Debian Linux" | 7.1 Search vendor "Debian" for product "Debian Linux" and version "7.1" | - |
Affected
| ||||||
| Debian Search vendor "Debian" | Debian Linux Search vendor "Debian" for product "Debian Linux" | 9.0 Search vendor "Debian" for product "Debian Linux" and version "9.0" | - |
Affected
| ||||||
| Fedoraproject Search vendor "Fedoraproject" | Fedora Search vendor "Fedoraproject" for product "Fedora" | 27 Search vendor "Fedoraproject" for product "Fedora" and version "27" | - |
Affected
| ||||||
| Novell Search vendor "Novell" | Leap Search vendor "Novell" for product "Leap" | 42.2 Search vendor "Novell" for product "Leap" and version "42.2" | - |
Affected
| ||||||
| Novell Search vendor "Novell" | Leap Search vendor "Novell" for product "Leap" | 42.3 Search vendor "Novell" for product "Leap" and version "42.3" | - |
Affected
| ||||||
| Redhat Search vendor "Redhat" | Enterprise Linux Desktop Search vendor "Redhat" for product "Enterprise Linux Desktop" | 7.0 Search vendor "Redhat" for product "Enterprise Linux Desktop" and version "7.0" | - |
Affected
| ||||||
| Redhat Search vendor "Redhat" | Enterprise Linux Server Search vendor "Redhat" for product "Enterprise Linux Server" | 7.0 Search vendor "Redhat" for product "Enterprise Linux Server" and version "7.0" | - |
Affected
| ||||||
| Redhat Search vendor "Redhat" | Enterprise Linux Workstation Search vendor "Redhat" for product "Enterprise Linux Workstation" | 7.0 Search vendor "Redhat" for product "Enterprise Linux Workstation" and version "7.0" | - |
Affected
| ||||||
| Thekelleys Search vendor "Thekelleys" | Dnsmasq Search vendor "Thekelleys" for product "Dnsmasq" | <= 2.77 Search vendor "Thekelleys" for product "Dnsmasq" and version " <= 2.77" | - |
Affected
| ||||||