CVE-2018-15501
CVSS V2 Medium 5
CVSS V3 High 7.5
Description
In ng_pkt in transports/smart_pkt.c in libgit2 before 0.26.6 and 0.27.x before 0.27.4, a remote attacker can send a crafted smart-protocol "ng" packet that lacks a '\0' byte to trigger an out-of-bounds read that leads to DoS.
Overview
- CVE ID
- CVE-2018-15501
- Assigner
- cve@mitre.org
- Vulnerability Status
- Analyzed
- Published Version
- 2018-08-18T02:29:01
- Last Modified Date
- 2022-05-11T20:59:02
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:libgit2:libgit2:*:*:*:*:*:*:*:* | 1 | OR | 0.26.6 | |
| cpe:2.3:a:libgit2:libgit2:*:*:*:*:*:*:*:* | 1 | OR | 0.27.0 | 0.27.4 |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:L/Au:N/C:N/I:N/A:P
- Access Vector
- NETWORK
- Access Compatibility
- LOW
- Authentication
- NONE
- Confidentiality Impact
- NONE
- Integrity Impact
- NONE
- Availability Impact
- PARTIAL
- Base Score
- 5
- Severity
- MEDIUM
- Exploitability Score
- 10
- Impact Score
- 2.9
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Attack Vector
- NETWORK
- Attack Compatibility
- LOW
- Privileges Required
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- NONE
- Availability Impact
- HIGH
- Base Score
- 7.5
- Base Severity
- HIGH
- Exploitability Score
- 3.9
- Impact Score
- 3.6
References
| Reference URL | Reference Tags |
|---|---|
| https://www.pro-linux.de/sicherheit/2/44650/denial-of-service-in-libgit2.html | Third Party Advisory |
| https://github.com/libgit2/libgit2/releases/tag/v0.27.4 | Third Party Advisory |
| https://github.com/libgit2/libgit2/releases/tag/v0.26.6 | Third Party Advisory |
| https://github.com/libgit2/libgit2/commit/1f9a8510e1d2f20ed7334eeeddb92c4dd8e7c649 | Patch Third Party Advisory |
| https://bugzilla.suse.com/show_bug.cgi?id=1104641 | Issue Tracking Patch Third Party Advisory |
| https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=9406 | Third Party Advisory |
| https://lists.debian.org/debian-lts-announce/2018/08/msg00024.html | Mailing List Third Party Advisory |
| https://lists.debian.org/debian-lts-announce/2022/03/msg00031.html |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2018-15501 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-15501 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 15:45:10 | Added to TrackCVE | |||
| 2022-12-03 11:17:01 | 2018-08-18T02:29Z | 2018-08-18T02:29:01 | CVE Published Date | updated |
| 2022-12-03 11:17:01 | 2022-05-11T20:59:02 | CVE Modified Date | updated | |
| 2022-12-03 11:17:01 | Analyzed | Vulnerability Status | updated |