CVE-2018-10546
php: Infinite loop in ext/iconv/iconv.c when using stream filter with convert.incov on invalid sequence leads to denial-of-service
Severity Score
7.5
*CVSS v3
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
1
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
An issue was discovered in PHP before 5.6.36, 7.0.x before 7.0.30, 7.1.x before 7.1.17, and 7.2.x before 7.2.5. An infinite loop exists in ext/iconv/iconv.c because the iconv stream filter does not reject invalid multibyte sequences.
Se ha descubierto un problema en PHP en versiones anteriores a la 5.6.36, versiones 7.0.x anteriores a la 7.0.30, versiones 7.1.x anteriores a la 7.1.17 y versiones 7.2.x anteriores a la 7.2.5. Existe un bucle infinito en ext/iconv/iconv.c debido a que el filtro de transmisiones iconv no rechaza las secuencias multibyte no válidas.
An infinite loop vulnerability was found in ext/iconv/iconv.c in PHP due to the iconv stream not rejecting invalid multibyte sequences. A remote attacker could use this vulnerability to hang the php process and consume resources.
*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
- 2018-04-29 CVE Reserved
- 2018-04-29 CVE Published
- 2018-05-03 First Exploit
- 2024-08-02 EPSS Updated
- 2024-08-05 CVE Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
CWE
- CWE-835: Loop with Unreachable Exit Condition ('Infinite Loop')
CAPEC
References (15)
| URL | Tag | Source |
|---|---|---|
| http://www.securityfocus.com/bid/104019 | Third Party Advisory | |
| http://www.securitytracker.com/id/1040807 | Third Party Advisory | |
| https://lists.debian.org/debian-lts-announce/2018/06/msg00005.html | Mailing List |
|
| https://security.netapp.com/advisory/ntap-20180607-0003 | Third Party Advisory |
|
| https://www.tenable.com/security/tns-2018-12 | Third Party Advisory |
| URL | Date | SRC |
|---|---|---|
| https://github.com/dsfau/CVE-2018-10546 | 2018-05-03 |
| URL | Date | SRC |
|---|---|---|
| http://php.net/ChangeLog-5.php | 2019-10-03 | |
| http://php.net/ChangeLog-7.php | 2019-10-03 | |
| https://bugs.php.net/bug.php?id=76249 | 2019-10-03 |
| URL | Date | SRC |
|---|---|---|
| https://access.redhat.com/errata/RHSA-2019:2519 | 2019-10-03 | |
| https://security.gentoo.org/glsa/201812-01 | 2019-10-03 | |
| https://usn.ubuntu.com/3646-1 | 2019-10-03 | |
| https://www.debian.org/security/2018/dsa-4240 | 2019-10-03 | |
| https://access.redhat.com/security/cve/CVE-2018-10546 | 2019-08-19 | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1573802 | 2019-08-19 |
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Php Search vendor "Php" | Php Search vendor "Php" for product "Php" | < 5.6.36 Search vendor "Php" for product "Php" and version " < 5.6.36" | - |
Affected
| ||||||
| Php Search vendor "Php" | Php Search vendor "Php" for product "Php" | >= 7.0.0 < 7.0.30 Search vendor "Php" for product "Php" and version " >= 7.0.0 < 7.0.30" | - |
Affected
| ||||||
| Php Search vendor "Php" | Php Search vendor "Php" for product "Php" | >= 7.1.0 < 7.1.17 Search vendor "Php" for product "Php" and version " >= 7.1.0 < 7.1.17" | - |
Affected
| ||||||
| Php Search vendor "Php" | Php Search vendor "Php" for product "Php" | >= 7.2.0 < 7.2.5 Search vendor "Php" for product "Php" and version " >= 7.2.0 < 7.2.5" | - |
Affected
| ||||||
| 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" | 17.10 Search vendor "Canonical" for product "Ubuntu Linux" and version "17.10" | - |
Affected
| ||||||
| Canonical Search vendor "Canonical" | Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux" | 18.04 Search vendor "Canonical" for product "Ubuntu Linux" and version "18.04" | lts |
Affected
| ||||||
| Debian Search vendor "Debian" | Debian Linux Search vendor "Debian" for product "Debian Linux" | 8.0 Search vendor "Debian" for product "Debian Linux" and version "8.0" | - |
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
| ||||||
| Netapp Search vendor "Netapp" | Storage Automation Store Search vendor "Netapp" for product "Storage Automation Store" | - | - |
Affected
| ||||||