PHP up to 5.6.39/7.1.25/7.2.13/7.3.0 xml_element.c xml_elem_parse_buf out-of-bounds
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
8.4 | $0-$5k | 0.00 |
A vulnerability was found in PHP up to 5.6.39/7.1.25/7.2.13/7.3.0 (Programming Language Software). It has been classified as critical. This affects the function xml_elem_parse_buf
in the library ext/xmlrpc/libxmlrpc/xml_element.c. The manipulation with an unknown input leads to a out-of-bounds vulnerability. CWE is classifying the issue as CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:
An issue was discovered in PHP before 5.6.40, 7.x before 7.1.26, 7.2.x before 7.2.14, and 7.3.x before 7.3.1. Invalid input to the function xmlrpc_decode() can lead to an invalid memory access (heap out of bounds read or read after free). This is related to xml_elem_parse_buf in ext/xmlrpc/libxmlrpc/xml_element.c.
The bug was discovered 02/22/2019. The weakness was shared 02/22/2019 (Website). The advisory is shared at securityfocus.com. This vulnerability is uniquely identified as CVE-2019-9020 since 02/22/2019. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details are known, but no exploit is available.
The commercial vulnerability scanner Qualys is able to test this issue with plugin 176624 (Debian Security Update for php7.0 (DSA 4398-1)).
Upgrading to version 5.6.40, 7.1.26, 7.2.14 or 7.3.1 eliminates this vulnerability.
The entries 131077, 131110, 131111 and 131112 are related to this item.
Product
Type
Name
Version
- 5.6.0
- 5.6.1
- 5.6.2
- 5.6.3
- 5.6.4
- 5.6.5
- 5.6.6
- 5.6.7
- 5.6.8
- 5.6.9
- 5.6.10
- 5.6.11
- 5.6.12
- 5.6.13
- 5.6.14
- 5.6.15
- 5.6.16
- 5.6.17
- 5.6.18
- 5.6.19
- 5.6.20
- 5.6.21
- 5.6.22
- 5.6.23
- 5.6.24
- 5.6.25
- 5.6.26
- 5.6.27
- 5.6.28
- 5.6.29
- 5.6.30
- 5.6.31
- 5.6.32
- 5.6.33
- 5.6.34
- 5.6.35
- 5.6.36
- 5.6.37
- 5.6.38
- 5.6.39
- 7.0
- 7.1
- 7.1.0
- 7.1.1
- 7.1.2
- 7.1.3
- 7.1.4
- 7.1.5
- 7.1.6
- 7.1.7
- 7.1.8
- 7.1.9
- 7.1.10
- 7.1.11
- 7.1.12
- 7.1.13
- 7.1.14
- 7.1.15
- 7.1.16
- 7.1.17
- 7.1.18
- 7.1.19
- 7.1.20
- 7.1.21
- 7.1.22
- 7.1.23
- 7.1.24
- 7.1.25
- 7.2
- 7.2.0
- 7.2.1
- 7.2.2
- 7.2.3
- 7.2.4
- 7.2.5
- 7.2.6
- 7.2.7
- 7.2.8
- 7.2.9
- 7.2.10
- 7.2.11
- 7.2.12
- 7.2.13
- 7.3
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 8.5VulDB Meta Temp Score: 8.4
VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 9.8
NVD Vector: 🔍
CVSSv2
AV | AC | Au | C | I | A |
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💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
---|---|---|---|---|---|
unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Out-of-boundsCWE: CWE-125 / CWE-119
ATT&CK: Unknown
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
---|---|---|---|---|
Today | unlock | unlock | unlock | unlock |
Qualys ID: 🔍
Qualys Name: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: PHP 5.6.40/7.1.26/7.2.14/7.3.1
Timeline
02/22/2019 🔍02/22/2019 🔍
02/22/2019 🔍
02/22/2019 🔍
02/23/2019 🔍
07/19/2023 🔍
Sources
Product: php.orgAdvisory: RHSA-2019:2519⛔
Status: Confirmed
Confirmation: 🔍
CVE: CVE-2019-9020 (🔍)
SecurityFocus: 107156 - PHP Information Disclosure and Heap Buffer Overflow Vulnerabilities
See also: 🔍
Entry
Created: 02/23/2019 07:59Updated: 07/19/2023 09:04
Changes: 02/23/2019 07:59 (61), 05/12/2020 09:56 (5), 07/19/2023 09:04 (4)
Complete: 🔍
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