CVE-2018-15501 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-bound...
HighCVSS 7.5
EPSS 4.4%
- Published
- Updated
- Exploit status
- No public exploit known
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.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| debian/libgit2(Debian:12) | < 0.27.4+dfsg.1-0.1 | 0.27.4+dfsg.1-0.1 |
| debian/libgit2(Debian:13) | < 0.27.4+dfsg.1-0.1 | 0.27.4+dfsg.1-0.1 |
| debian/libgit2(Debian:14) | < 0.27.4+dfsg.1-0.1 | 0.27.4+dfsg.1-0.1 |
| debian linux | = 8.0 | No fix listed |
| debian linux | = 9.0 | No fix listed |
| libgit2 | < 0.26.6 | 0.26.6 |
| libgit2 | >= 0.27.0, < 0.27.4 | 0.27.4 |
| alpine/libgit2(Alpine:v3.10) | >= 0.27.0, < 0.27.4-r0 | 0.27.4-r0 |
| alpine/libgit2(Alpine:v3.11) | >= 0.27.0, < 0.27.4-r0 | 0.27.4-r0 |
| alpine/libgit2(Alpine:v3.12) | >= 0.27.0, < 0.27.4-r0 | 0.27.4-r0 |
| alpine/libgit2(Alpine:v3.13) | >= 0.27.0, < 0.27.4-r0 | 0.27.4-r0 |
| alpine/libgit2(Alpine:v3.14) | >= 0.27.0, < 0.27.4-r0 | 0.27.4-r0 |
| alpine/libgit2(Alpine:v3.15) | >= 0.27.0, < 0.27.4-r0 | 0.27.4-r0 |
| alpine/libgit2(Alpine:v3.16) | >= 0.27.0, < 0.27.4-r0 | 0.27.4-r0 |
| alpine/libgit2(Alpine:v3.17) | >= 0.27.0, < 0.27.4-r0 | 0.27.4-r0 |
| alpine/libgit2(Alpine:v3.18) | >= 0.27.0, < 0.27.4-r0 | 0.27.4-r0 |
| alpine/libgit2(Alpine:v3.19) | >= 0.27.0, < 0.27.4-r0 | 0.27.4-r0 |
| alpine/libgit2(Alpine:v3.20) | >= 0.27.0, < 0.27.4-r0 | 0.27.4-r0 |
| alpine/libgit2(Alpine:v3.21) | >= 0.27.0, < 0.27.4-r0 | 0.27.4-r0 |
| alpine/libgit2(Alpine:v3.22) | >= 0.27.0, < 0.27.4-r0 | 0.27.4-r0 |
| alpine/libgit2(Alpine:v3.23) | >= 0.27.0, < 0.27.4-r0 | 0.27.4-r0 |
| alpine/libgit2(Alpine:v3.24) | >= 0.27.0, < 0.27.4-r0 | 0.27.4-r0 |
| alpine/libgit2(Alpine:v3.9) | >= 0.27.0, < 0.27.4-r0 | 0.27.4-r0 |
| alpine/libgit2-0.27(Alpine:v3.10) | < 0.27.4-r0 | 0.27.4-r0 |
| alpine/libgit2-1.0(Alpine:v3.13) | < 0.27.4-r0 | 0.27.4-r0 |
Show 3 more
| Product | Affected versions | Fixed in |
|---|---|---|
| alpine/libgit2-1.0(Alpine:v3.14) | < 0.27.4-r0 | 0.27.4-r0 |
| alpine/libgit2-1.1(Alpine:v3.15) | < 0.27.4-r0 | 0.27.4-r0 |
| alpine/libgit2-1.1(Alpine:v3.16) | < 0.27.4-r0 | 0.27.4-r0 |
References
- Debian Security Tracker CVE-2018-15501 vendor-advisory
- bugs.chromium.org exploit issue-tracking patch third-party-advisory
- bugzilla.suse.com issue-tracking patch third-party-advisory
- github.com patch third-party-advisory
- github.com release-notes third-party-advisory
- github.com release-notes third-party-advisory
- [debian-lts-announce] 20180825 [SECURITY] [DLA 1477-1] libgit2 security update mailing-list third-party-advisory
- [debian-lts-announce] 20220321 [SECURITY] [DLA 2936-1] libgit2 security update mailing-list third-party-advisory
- www.pro-linux.de third-party-advisory
- security.alpinelinux.org vendor-advisory