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CVE-2018-10888

Publication date 10 July 2018

Last updated 24 July 2024


Ubuntu priority

Cvss 3 Severity Score

6.5 · Medium

Score breakdown

A flaw was found in libgit2 before version 0.27.3. A missing check in git_delta_apply function in delta.c file, may lead to an out-of-bound read while reading a binary delta file. An attacker may use this flaw to cause a Denial of Service.

From the Ubuntu Security Team

Riccardo Schirone discovered that libgit2 mishandled specially crafted input. If a victim were tricked into cloning a malicious repository or applying a malicious patch, an attacker could cause libgit2 to leak sensitive information or crash.

Status

Package Ubuntu Release Status
libgit2 18.04 LTS bionic
Fixed 0.26.0+dfsg.1-1.1ubuntu0.2
17.10 artful Ignored end of life
16.04 LTS xenial
Fixed 0.24.1-2ubuntu0.2
14.04 LTS trusty
Fixed 0.19.0-2ubuntu0.4

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package Patch details
libgit2

Severity score breakdown

Parameter Value
Base score 6.5 · Medium
Attack vector Network
Attack complexity Low
Privileges required None
User interaction Required
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H