CVE-2018-14618
curl: NTLM password overflow via integer overflow
Severity by source
Trivy's own label is CRITICAL. Rated critical by NVD, Photon OS. Rated lower by Ubuntu (medium), Red Hat (low), Amazon (low), Oracle (low).
Description
curl before version 7.61.1 is vulnerable to a buffer overrun in the NTLM authentication code. The internal function Curl_ntlm_core_mk_nt_hash multiplies the length of the password by two (SUM) to figure out how large temporary storage area to allocate from the heap. The length value is then subsequently used to iterate over the password and generate output into the allocated storage buffer. On systems with a 32 bit size_t, the math to calculate SUM triggers an integer overflow when the password length exceeds 2GB (2^31 bytes). This integer overflow usually causes a very small buffer to actually get allocated instead of the intended very huge one, making the use of that buffer end up in a heap buffer overflow. (This bug is almost identical to CVE-2017-8816.)
Affected packages and fixed versions
| Source | Package | Fixed in |
|---|---|---|
| Photon OS 1.0 | curl | 7.59.0-5.ph1 |
| Photon OS 2.0 | curl | 7.59.0-4.ph2 |
| alpine 3.10 | curl | 7.61.1-r0 |
| alpine 3.11 | curl | 7.61.1-r0 |
| alpine 3.12 | curl | 7.61.1-r0 |
| alpine 3.13 | curl | 7.61.1-r0 |
| alpine 3.14 | curl | 7.61.1-r0 |
| alpine 3.15 | curl | 7.61.1-r0 |
| alpine 3.16 | curl | 7.61.1-r0 |
| alpine 3.17 | curl | 7.61.1-r0 |
| alpine 3.18 | curl | 7.61.1-r0 |
| alpine 3.19 | curl | 7.61.1-r0 |
Show all 56 entries from 43 sources
| Source | Package | Fixed in |
|---|---|---|
| Photon OS 1.0 | curl | 7.59.0-5.ph1 |
| Photon OS 2.0 | curl | 7.59.0-4.ph2 |
| alpine 3.10 | curl | 7.61.1-r0 |
| alpine 3.11 | curl | 7.61.1-r0 |
| alpine 3.12 | curl | 7.61.1-r0 |
| alpine 3.13 | curl | 7.61.1-r0 |
| alpine 3.14 | curl | 7.61.1-r0 |
| alpine 3.15 | curl | 7.61.1-r0 |
| alpine 3.16 | curl | 7.61.1-r0 |
| alpine 3.17 | curl | 7.61.1-r0 |
| alpine 3.18 | curl | 7.61.1-r0 |
| alpine 3.19 | curl | 7.61.1-r0 |
| alpine 3.20 | curl | 7.61.1-r0 |
| alpine 3.21 | curl | 7.61.1-r0 |
| alpine 3.22 | curl | 7.61.1-r0 |
| alpine 3.23 | curl | 7.61.1-r0 |
| alpine 3.24 | curl | 7.61.1-r0 |
| alpine 3.5 | curl | 7.61.1-r0 |
| alpine 3.6 | curl | 7.61.1-r0 |
| alpine 3.7 | curl | 7.61.1-r0 |
| alpine 3.8 | curl | 7.61.1-r0 |
| alpine 3.9 | curl | 7.61.1-r0 |
| alpine edge | curl | 7.61.1-r0 |
| amazon linux 1 | curl | 7.53.1-16.85.amzn1 |
| amazon linux 1 | curl-debuginfo | 7.53.1-16.85.amzn1 |
| amazon linux 1 | libcurl | 7.53.1-16.85.amzn1 |
| amazon linux 1 | libcurl-devel | 7.53.1-16.85.amzn1 |
| amazon linux 2 | curl | 7.55.1-12.amzn2.0.7 |
| amazon linux 2 | curl-debuginfo | 7.55.1-12.amzn2.0.7 |
| amazon linux 2 | libcurl | 7.55.1-12.amzn2.0.7 |
| amazon linux 2 | libcurl-devel | 7.55.1-12.amzn2.0.7 |
| debian 11 | curl | 7.62.0-1 |
| debian 12 | curl | 7.62.0-1 |
| debian 13 | curl | 7.62.0-1 |
| debian 14 | curl | 7.62.0-1 |
| debian 8 | curl | 7.38.0-4+deb8u12 |
| debian 9 | curl | 7.52.1-5+deb9u7 |
| echo | curl | 7.62.0-1 |
| Oracle Linux 7 | curl | 7.29.0-51.0.1.el7_6.3 |
| Oracle Linux 7 | libcurl | 7.29.0-51.0.1.el7_6.3 |
| Oracle Linux 7 | libcurl-devel | 7.29.0-51.0.1.el7_6.3 |
| Red Hat | curl | no fix listed |
| Red Hat | libcurl | no fix listed |
| Red Hat | libcurl-devel | no fix listed |
| Red Hat | rh-dotnet21-curl | no fix listed |
| Red Hat | rh-dotnet21-libcurl | no fix listed |
| Red Hat | rh-dotnet21-libcurl-devel | no fix listed |
| root.io debian 11 | rootio-curl | 7.62.0-1 |
| root.io debian 12 | rootio-curl | 7.62.0-1 |
| root.io debian 13 | rootio-curl | 7.62.0-1 |
| ubuntu 14.04 | curl | 7.35.0-1ubuntu2.17 |
| ubuntu 14.04-ESM | curl | 7.35.0-1ubuntu2.17 |
| ubuntu 16.04 | curl | 7.47.0-1ubuntu2.9 |
| ubuntu 16.04-ESM | curl | 7.47.0-1ubuntu2.9 |
| ubuntu 18.04 | curl | 7.58.0-2ubuntu3.3 |
| ubuntu 18.04-ESM | curl | 7.58.0-2ubuntu3.3 |
References
- http://www.securitytracker.com/id/1041605
- https://access.redhat.com/errata/RHSA-2018:3558
- https://access.redhat.com/errata/RHSA-2019:1880
- https://access.redhat.com/security/cve/CVE-2018-14618
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-14618
- https://cert-portal.siemens.com/productcert/pdf/ssa-436177.pdf
- https://curl.haxx.se/docs/CVE-2018-14618.html
- https://github.com/curl/curl/issues/2756
All 19 references
- https://linux.oracle.com/cve/CVE-2018-14618.html
- https://linux.oracle.com/errata/ELSA-2019-1880.html
- https://nvd.nist.gov/vuln/detail/CVE-2018-14618
- https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2018-0014
- https://security.gentoo.org/glsa/201903-03
- https://ubuntu.com/security/notices/USN-3765-1
- https://ubuntu.com/security/notices/USN-3765-2
- https://usn.ubuntu.com/3765-1/
- https://usn.ubuntu.com/3765-2/
- https://www.cve.org/CVERecord?id=CVE-2018-14618
- https://www.debian.org/security/2018/dsa-4286