An issue was discovered in phpseclib 1.x before 1.0.23, 2.x before 2.0.47, and 3.x before 3.0.36. An attacker can construct a malformed certificate containing an extremely large prime to cause a denial of service (CPU consumption for an isPrime primality check). NOTE: this issue was introduced when attempting to fix CVE-2023-27560.
References
| Link | Resource |
|---|---|
| https://gist.github.com/katzj/ee72f3c2a00590812b2ea3c0c8890e0b | Third Party Advisory |
| https://github.com/phpseclib/phpseclib/blob/master/phpseclib/Math/PrimeField.php#L49 | Product |
| https://lists.debian.org/debian-lts-announce/2024/03/msg00002.html | Mailing List Third Party Advisory |
| https://lists.debian.org/debian-lts-announce/2024/03/msg00003.html | Mailing List Third Party Advisory |
| https://gist.github.com/katzj/ee72f3c2a00590812b2ea3c0c8890e0b | Third Party Advisory |
| https://github.com/phpseclib/phpseclib/blob/master/phpseclib/Math/PrimeField.php#L49 | Product |
| https://lists.debian.org/debian-lts-announce/2024/03/msg00002.html | Mailing List Third Party Advisory |
| https://lists.debian.org/debian-lts-announce/2024/03/msg00003.html | Mailing List Third Party Advisory |
Configurations
History
15 Sep 2025, 17:58
| Type | Values Removed | Values Added |
|---|---|---|
| CPE | cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* | |
| First Time |
Debian debian Linux
Debian |
15 Sep 2025, 17:13
| Type | Values Removed | Values Added |
|---|---|---|
| First Time |
Phpseclib phpseclib
Phpseclib |
|
| CPE | cpe:2.3:a:phpseclib:phpseclib:*:*:*:*:*:*:*:* | |
| References | () https://gist.github.com/katzj/ee72f3c2a00590812b2ea3c0c8890e0b - Third Party Advisory | |
| References | () https://github.com/phpseclib/phpseclib/blob/master/phpseclib/Math/PrimeField.php#L49 - Product | |
| References | () https://lists.debian.org/debian-lts-announce/2024/03/msg00002.html - Mailing List, Third Party Advisory | |
| References | () https://lists.debian.org/debian-lts-announce/2024/03/msg00003.html - Mailing List, Third Party Advisory |
21 Nov 2024, 09:04
| Type | Values Removed | Values Added |
|---|---|---|
| References | () https://gist.github.com/katzj/ee72f3c2a00590812b2ea3c0c8890e0b - | |
| References | () https://github.com/phpseclib/phpseclib/blob/master/phpseclib/Math/PrimeField.php#L49 - | |
| References | () https://lists.debian.org/debian-lts-announce/2024/03/msg00002.html - | |
| References | () https://lists.debian.org/debian-lts-announce/2024/03/msg00003.html - |
01 Aug 2024, 13:48
| Type | Values Removed | Values Added |
|---|---|---|
| CWE | CWE-400 | |
| CVSS |
v2 : v3 : |
v2 : unknown
v3 : 7.5 |
21 Mar 2024, 02:52
| Type | Values Removed | Values Added |
|---|---|---|
| Summary |
|
|
| References |
|
01 Mar 2024, 23:15
| Type | Values Removed | Values Added |
|---|---|---|
| New CVE |
Information
Published : 2024-03-01 23:15
Updated : 2025-09-15 17:58
NVD link : CVE-2024-27354
Mitre link : CVE-2024-27354
CVE.ORG link : CVE-2024-27354
JSON object : View
Products Affected
phpseclib
- phpseclib
debian
- debian_linux
CWE
CWE-400
Uncontrolled Resource Consumption
