CVE-2019-25032
unbound: integer overflow in the regional allocator via regional_alloc
Severity Score
Exploit Likelihood
Affected Versions
Public Exploits
0Exploited in Wild
-Decision
Descriptions
Unbound before 1.9.5 allows an integer overflow in the regional allocator via regional_alloc. NOTE: The vendor disputes that this is a vulnerability. Although the code may be vulnerable, a running Unbound installation cannot be remotely or locally exploited
** EN DISPUTA ** Unbound versiones anteriores a 1.9.5, permite un desbordamiento de enteros en el asignador regional por medio de la función regional_alloc. NOTA: El proveedor niega que esto sea una vulnerabilidad. Aunque el código puede ser vulnerable, una instalación de Unbound en funcionamiento no puede ser explotada de forma remota o local
A flaw was found in unbound. An integer overflow in regional_alloc function may lead to a buffer overflow of the allocated buffer if the size can be controlled by an attacker and can be big enough. The highest threat from this vulnerability is to data confidentiality and integrity as well as service availability.
CVSS Scores
SSVC
- Decision:-
Timeline
- 2021-04-27 CVE Reserved
- 2021-04-27 CVE Published
- 2024-05-14 EPSS Updated
- 2024-08-05 CVE Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-190: Integer Overflow or Wraparound
CAPEC
References (5)
| URL | Tag | Source |
|---|---|---|
| https://lists.debian.org/debian-lts-announce/2021/05/msg00007.html | Mailing List |
|
| https://ostif.org/our-audit-of-unbound-dns-by-x41-d-sec-full-results | Not Applicable | |
| https://security.netapp.com/advisory/ntap-20210507-0007 | Third Party Advisory |
|
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|---|---|
| https://access.redhat.com/security/cve/CVE-2019-25032 | 2022-02-22 | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1954772 | 2022-02-22 |
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Nlnetlabs Search vendor "Nlnetlabs" | Unbound Search vendor "Nlnetlabs" for product "Unbound" | < 1.9.5 Search vendor "Nlnetlabs" for product "Unbound" and version " < 1.9.5" | - |
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
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