Buffer Overflow in Perl 5 Affecting Multiple Versions
CVE-2017-12883

9.1CRITICAL

Key Information:

Vendor

Perl

Status
Perl
Vendor
CVE Published:
19 September 2017

What is CVE-2017-12883?

A buffer overflow vulnerability exists in the S_grok_bslash_N function within regcomp.c of Perl 5. This flaw allows remote attackers to exploit crafted regular expressions that include an invalid '\N{U+...}' escape sequence. Successful exploitation could lead to the disclosure of sensitive information or even crash the application, rendering it unresponsive. Users of affected Perl versions should apply security patches to mitigate potential risks.

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References

http://www.debian.org/security/2017/dsa-3982
vendor-advisoryx_refsource_DEBIAN
http://www.securityfocus.com/bid/100852
vdb-entryx_refsource_BID
https://www.oracle.com/security-alerts/cpujul2020.html
x_refsource_MISC

CVSS V3.1

Score:
9.1
Severity:
CRITICAL
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

JSON
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