CVE-2018-15501
Published: 18 August 2018
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.
Priority
Status
Package | Release | Status |
---|---|---|
libgit2 Launchpad, Ubuntu, Debian |
bionic |
Needed
|
cosmic |
Not vulnerable
(0.27.4+dfsg.1-0.1)
|
|
disco |
Not vulnerable
(0.27.4+dfsg.1-0.1)
|
|
eoan |
Not vulnerable
(0.27.4+dfsg.1-0.1)
|
|
focal |
Not vulnerable
(0.27.4+dfsg.1-0.1)
|
|
groovy |
Not vulnerable
(0.27.4+dfsg.1-0.1)
|
|
hirsute |
Not vulnerable
(0.27.4+dfsg.1-0.1)
|
|
impish |
Not vulnerable
(0.27.4+dfsg.1-0.1)
|
|
jammy |
Not vulnerable
(0.27.4+dfsg.1-0.1)
|
|
kinetic |
Not vulnerable
(0.27.4+dfsg.1-0.1)
|
|
lunar |
Not vulnerable
(0.27.4+dfsg.1-0.1)
|
|
mantic |
Not vulnerable
(0.27.4+dfsg.1-0.1)
|
|
trusty |
Needed
|
|
upstream |
Released
(0.27.4+dfsg.1-0.1)
|
|
xenial |
Needed
|
Severity score breakdown
Parameter | Value |
---|---|
Base score | 7.5 |
Attack vector | Network |
Attack complexity | Low |
Privileges required | None |
User interaction | None |
Scope | Unchanged |
Confidentiality | None |
Integrity impact | None |
Availability impact | High |
Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
References
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=9406
- https://github.com/libgit2/libgit2/commit/1f9a8510e1d2f20ed7334eeeddb92c4dd8e7c649
- https://bugzilla.suse.com/show_bug.cgi?id=1104641
- https://github.com/libgit2/libgit2/releases/tag/v0.26.6
- https://github.com/libgit2/libgit2/releases/tag/v0.27.4
- https://www.pro-linux.de/sicherheit/2/44650/denial-of-service-in-libgit2.html
- https://www.cve.org/CVERecord?id=CVE-2018-15501
- NVD
- Launchpad
- Debian