CVE-2020-12723
perl: corruption of intermediate language state of compiled regular expression due to recursive S_study_chunk() calls leads to DoS
Severity Score
7.5
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
0
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
regcomp.c in Perl before 5.30.3 allows a buffer overflow via a crafted regular expression because of recursive S_study_chunk calls.
En el archivo regcomp.c en Perl versiones anteriores a 5.30.3, permite un desbordamiento del búfer por medio de una expresión regular diseñada debido a llamadas recursivas de la función S_study_chunk
ManhND discovered that Perl incorrectly handled certain regular expressions. In environments where untrusted regular expressions are evaluated, a remote attacker could possibly use this issue to cause Perl to crash, resulting in a denial of service, or possibly execute arbitrary code. Hugo van der Sanden and Slaven Rezic discovered that Perl incorrectly handled certain regular expressions. In environments where untrusted regular expressions are evaluated, a remote attacker could possibly use this issue to cause Perl to crash, resulting in a denial of service, or possibly execute arbitrary code. Various other issues were also addressed.
*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
- 2020-05-08 CVE Reserved
- 2020-06-05 CVE Published
- 2024-08-04 CVE Updated
- 2025-03-30 EPSS Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
- CWE-185: Incorrect Regular Expression
CAPEC
References (18)
| URL | Tag | Source |
|---|---|---|
| https://github.com/Perl/perl5/blob/blead/pod/perl5303delta.pod | Third Party Advisory | |
| https://github.com/Perl/perl5/issues/16947 | Third Party Advisory | |
| https://github.com/Perl/perl5/issues/17743 | Third Party Advisory | |
| https://security.netapp.com/advisory/ntap-20200611-0001 | Third Party Advisory |
|
| URL | Date | SRC |
|---|
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Perl Search vendor "Perl" | Perl Search vendor "Perl" for product "Perl" | < 5.30.3 Search vendor "Perl" for product "Perl" and version " < 5.30.3" | - |
Affected
| ||||||
| Netapp Search vendor "Netapp" | Oncommand Workflow Automation Search vendor "Netapp" for product "Oncommand Workflow Automation" | - | - |
Affected
| ||||||
| Netapp Search vendor "Netapp" | Snap Creator Framework Search vendor "Netapp" for product "Snap Creator Framework" | - | - |
Affected
| ||||||
| Fedoraproject Search vendor "Fedoraproject" | Fedora Search vendor "Fedoraproject" for product "Fedora" | 31 Search vendor "Fedoraproject" for product "Fedora" and version "31" | - |
Affected
| ||||||
| Opensuse Search vendor "Opensuse" | Leap Search vendor "Opensuse" for product "Leap" | 15.1 Search vendor "Opensuse" for product "Leap" and version "15.1" | - |
Affected
| ||||||
| Oracle Search vendor "Oracle" | Communications Billing And Revenue Management Search vendor "Oracle" for product "Communications Billing And Revenue Management" | 12.0.0.2.0 Search vendor "Oracle" for product "Communications Billing And Revenue Management" and version "12.0.0.2.0" | - |
Affected
| ||||||
| Oracle Search vendor "Oracle" | Communications Billing And Revenue Management Search vendor "Oracle" for product "Communications Billing And Revenue Management" | 12.0.0.3.0 Search vendor "Oracle" for product "Communications Billing And Revenue Management" and version "12.0.0.3.0" | - |
Affected
| ||||||
| Oracle Search vendor "Oracle" | Communications Diameter Signaling Router Search vendor "Oracle" for product "Communications Diameter Signaling Router" | >= 8.0.0 <= 8.5.0 Search vendor "Oracle" for product "Communications Diameter Signaling Router" and version " >= 8.0.0 <= 8.5.0" | - |
Affected
| ||||||
| Oracle Search vendor "Oracle" | Communications Eagle Application Processor Search vendor "Oracle" for product "Communications Eagle Application Processor" | >= 16.1.0 <= 16.4.0 Search vendor "Oracle" for product "Communications Eagle Application Processor" and version " >= 16.1.0 <= 16.4.0" | - |
Affected
| ||||||
| Oracle Search vendor "Oracle" | Communications Eagle Lnp Application Processor Search vendor "Oracle" for product "Communications Eagle Lnp Application Processor" | 10.1 Search vendor "Oracle" for product "Communications Eagle Lnp Application Processor" and version "10.1" | - |
Affected
| ||||||
| Oracle Search vendor "Oracle" | Communications Eagle Lnp Application Processor Search vendor "Oracle" for product "Communications Eagle Lnp Application Processor" | 10.2 Search vendor "Oracle" for product "Communications Eagle Lnp Application Processor" and version "10.2" | - |
Affected
| ||||||
| Oracle Search vendor "Oracle" | Communications Lsms Search vendor "Oracle" for product "Communications Lsms" | >= 13.1 <= 13.4 Search vendor "Oracle" for product "Communications Lsms" and version " >= 13.1 <= 13.4" | - |
Affected
| ||||||
| Oracle Search vendor "Oracle" | Communications Offline Mediation Controller Search vendor "Oracle" for product "Communications Offline Mediation Controller" | 12.0.0.3.0 Search vendor "Oracle" for product "Communications Offline Mediation Controller" and version "12.0.0.3.0" | - |
Affected
| ||||||
| Oracle Search vendor "Oracle" | Communications Performance Intelligence Center Search vendor "Oracle" for product "Communications Performance Intelligence Center" | >= 10.3.0.0.0 <= 10.3.0.2.1 Search vendor "Oracle" for product "Communications Performance Intelligence Center" and version " >= 10.3.0.0.0 <= 10.3.0.2.1" | - |
Affected
| ||||||
| Oracle Search vendor "Oracle" | Communications Performance Intelligence Center Search vendor "Oracle" for product "Communications Performance Intelligence Center" | >= 10.4.0.1.0 <= 10.4.0.3.1 Search vendor "Oracle" for product "Communications Performance Intelligence Center" and version " >= 10.4.0.1.0 <= 10.4.0.3.1" | - |
Affected
| ||||||
| Oracle Search vendor "Oracle" | Configuration Manager Search vendor "Oracle" for product "Configuration Manager" | 12.1.2.0.8 Search vendor "Oracle" for product "Configuration Manager" and version "12.1.2.0.8" | - |
Affected
| ||||||
| Oracle Search vendor "Oracle" | Enterprise Manager Base Platform Search vendor "Oracle" for product "Enterprise Manager Base Platform" | 13.4.0.0 Search vendor "Oracle" for product "Enterprise Manager Base Platform" and version "13.4.0.0" | - |
Affected
| ||||||
| Oracle Search vendor "Oracle" | Sd-wan Edge Search vendor "Oracle" for product "Sd-wan Edge" | 8.2 Search vendor "Oracle" for product "Sd-wan Edge" and version "8.2" | - |
Affected
| ||||||
| Oracle Search vendor "Oracle" | Sd-wan Edge Search vendor "Oracle" for product "Sd-wan Edge" | 9.0 Search vendor "Oracle" for product "Sd-wan Edge" and version "9.0" | - |
Affected
| ||||||
| Oracle Search vendor "Oracle" | Sd-wan Edge Search vendor "Oracle" for product "Sd-wan Edge" | 9.1 Search vendor "Oracle" for product "Sd-wan Edge" and version "9.1" | - |
Affected
| ||||||
| Oracle Search vendor "Oracle" | Tekelec Platform Distribution Search vendor "Oracle" for product "Tekelec Platform Distribution" | >= 7.4.0 <= 7.7.1 Search vendor "Oracle" for product "Tekelec Platform Distribution" and version " >= 7.4.0 <= 7.7.1" | - |
Affected
| ||||||