← Back to CVE List
CVE-2017-20230NVD
Vulnerability Summary
Storable versions before 3.05 for Perl has a stack overflow.
The retrieve_hook function stored the length of the class name into a signed integer but in read operations treated the length as unsigned. This allowed an attacker to craft data that could trigger the overflow.
The retrieve_hook function stored the length of the class name into a signed integer but in read operations treated the length as unsigned. This allowed an attacker to craft data that could trigger the overflow.
CVSS v3.1 Base Metrics — Score 10.0 (CRITICAL)
Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone
User InteractionNone
ScopeChanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
Affected & Patched Versions
- Nwclark Storable < 3.05
- Nwclark Storable 3.05
External References
- https://github.com/Perl/perl5/commit/a258c17c6937f79529c8319a829310e09cdbd216.patch
- https://github.com/Perl/perl5/issues/15831
- https://metacpan.org/release/RURBAN/Storable-3.05/changes
- https://www.nntp.perl.org/group/perl.perl5.porters/2017/01/msg242533.html
- https://www.nntp.perl.org/group/perl.perl5.porters/2017/01/msg242703.html
- http://www.openwall.com/lists/oss-security/2026/04/21/5