CPANSA-Git-Raw-2018-10887-libgit2: Git-Raw vulnerability

Publisher giterlizzi Document category csaf_security_advisory
Initial release date 2018-07-10T00:00:00 Engine CSAF Perl Toolkit 0.26
Current release date 2018-07-10T00:00:00 Build Date
Current version 1 Status final
CVSS v3.1 Base Score 8.1 Severity High
Original language Language en
Also referred to

Vulnerability Description

A flaw was found in libgit2 before version 0.27.3. It has been discovered that an unexpected sign extension in git_delta_apply function in delta.c file may lead to an integer overflow which in turn leads to an out of bound read, allowing to read before the base object. An attacker may use this flaw to leak memory addresses or cause a Denial of Service.

Vulnerabilities

CVE-2018-10887

Vulnerability Description

A flaw was found in libgit2 before version 0.27.3. It has been discovered that an unexpected sign extension in git_delta_apply function in delta.c file may lead to an integer overflow which in turn leads to an out of bound read, allowing to read before the base object. An attacker may use this flaw to leak memory addresses or cause a Denial of Service.

Weakness CWE-194 : Unexpected Sign Extension

Product status

Known affected
Product Score
Git-Raw greater than or equal 0.76 and less than or equal 0.82
CVSS Version CVSS Vector CVSS Base Score CVSS Base Severity
3.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H 8.1 High
2.0 AV:N/AC:M/Au:N/C:P/I:N/A:P 5.8 Medium

giterlizzi

Namespace: https://github.com/giterlizzi/

gdt@cpan.org

References

Revision history

Version Date of the revision Summary of the revision
1 Tue Jul 10 00:00:00 2018 First release

Sharing rules

TLP:WHITE
For the TLP version see: https://www.first.org/tlp/