haproxy: Information disclosure in check_request_for_cacheability function in proto_http.c
Published May 25, 2018
7.5
HIGHCVSS 3.0
EPSS 2.92%
Description
Incorrect caching of responses to requests including an Authorization header in HAProxy 1.8.0 through 1.8.9 (if cache enabled) allows attackers to achieve information disclosure via an unauthenticated remote request, related to the proto_http.c check_request_for_cacheability function.
Affected products
No data.
Configuration 2
- 18.04
No data.
Red Hat Software Collections for Red Hat Enterprise Linux 7
rh-haproxy18-haproxy-0:1.8.17-1.el7
Fixed · RHSA-2019:1436
Red Hat Software Collections for Red Hat Enterprise Linux 7.4 EUS
rh-haproxy18-haproxy-0:1.8.17-1.el7
Fixed · RHSA-2019:1436
Red Hat Software Collections for Red Hat Enterprise Linux 7.5 EUS
rh-haproxy18-haproxy-0:1.8.17-1.el7
Fixed · RHSA-2019:1436
Red Hat Software Collections for Red Hat Enterprise Linux 7.6 EUS
rh-haproxy18-haproxy-0:1.8.17-1.el7
Fixed · RHSA-2019:1436
Red Hat Enterprise Linux 6
haproxy
Not affected
Red Hat Enterprise Linux 7
haproxy
Not affected
Red Hat Enterprise Linux 8
haproxy
Not affected
Red Hat OpenShift Enterprise 3
haproxy
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Software Collections for Red Hat Enterprise Linux 7 | rh-haproxy18-haproxy-0:1.8.17-1.el7 | Fixed | RHSA-2019:1436 |
| Red Hat Software Collections for Red Hat Enterprise Linux 7.4 EUS | rh-haproxy18-haproxy-0:1.8.17-1.el7 | Fixed | RHSA-2019:1436 |
| Red Hat Software Collections for Red Hat Enterprise Linux 7.5 EUS | rh-haproxy18-haproxy-0:1.8.17-1.el7 | Fixed | RHSA-2019:1436 |
| Red Hat Software Collections for Red Hat Enterprise Linux 7.6 EUS | rh-haproxy18-haproxy-0:1.8.17-1.el7 | Fixed | RHSA-2019:1436 |
| Red Hat Enterprise Linux 6 | haproxy | Not affected | n/a |
| Red Hat Enterprise Linux 7 | haproxy | Not affected | n/a |
| Red Hat Enterprise Linux 8 | haproxy | Not affected | n/a |
| Red Hat OpenShift Enterprise 3 | haproxy | Not affected | n/a |
No package ranges for this CVE.
Remediation
Red Hat statement
Red Hat Product Security has rated this issue as having a security impact of Moderate, and a future update may address this flaw.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
1 other source (Red Hat) ▾
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
AV:N/AC:M/Au:N/C:P/I:N/A:N
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 2, 2026.
Score over time
2021–2026- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (20 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 2.92% (0.02915) | 86.54th | v5 (v2026.06.15) |
| Jun 15, 2026 | 3.06% (0.03061) | 85.85th | v5 (v2026.06.15) |
| Jun 6, 2025 | 0.03% (0.00030) | 6.69th | v4 (v2025.03.14) |
| Jul 20, 2024 | 0.20% (0.00203) | 58.73th | v3 (v2023.03.01) |
| Mar 9, 2024 | 0.20% (0.00203) | 57.61th | v3 (v2023.03.01) |
| Nov 25, 2023 | 0.26% (0.00260) | 63.61th | v3 (v2023.03.01) |
| Oct 16, 2023 | 0.31% (0.00306) | 66.35th | v3 (v2023.03.01) |
| Jul 8, 2023 | 0.45% (0.00453) | 71.75th | v3 (v2023.03.01) |
| Jun 23, 2023 | 0.48% (0.00483) | 72.52th | v3 (v2023.03.01) |
| May 19, 2023 | 0.49% (0.00491) | 72.63th | v3 (v2023.03.01) |
| May 8, 2023 | 0.55% (0.00548) | 74.04th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.51% (0.00513) | 73.04th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.02% (0.01018) | 40.69th | v2 (v2022.01.01) |
| Sep 10, 2022 | 1.02% (0.01018) | 38.88th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.02% (0.01018) | 36.86th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.02% (0.01018) | 19.50th | v2 (v2022.01.01) |
| Feb 3, 2022 | 1.04% (0.01040) | 28.32th | v1 |
| Jan 6, 2022 | 1.04% (0.01040) | 27.69th | v1 |
| Sep 1, 2021 | 1.04% (0.01040) | 64.49th | v1 |
| Apr 14, 2021 | 1.04% (0.01040) | 0.00th | v1 |
References (8)
- http://www.securityfocus.com/bid/104347 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- https://access.redhat.com/errata/RHSA-2019:1436 vendor-advisoryx_refsource_REDHAT
- https://access.redhat.com/security/cve/CVE-2018-11469 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1582635 Issue Tracking
- https://git.haproxy.org/?p=haproxy-1.8.git%3Ba=commit%3Bh=17514045e5d934dede62116216c1b016fe23dd06 x_refsource_CONFIRM
- https://nvd.nist.gov/vuln/detail/CVE-2018-11469
- https://usn.ubuntu.com/3663-1/ vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2018-11469
| Link | Providers | Tags |
|---|---|---|
| http://www.securityfocus.com/bid/104347 | vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry | |
| https://access.redhat.com/errata/RHSA-2019:1436 | vendor-advisoryx_refsource_REDHAT | |
| https://access.redhat.com/security/cve/CVE-2018-11469 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1582635 | Issue Tracking | |
| https://git.haproxy.org/?p=haproxy-1.8.git%3Ba=commit%3Bh=17514045e5d934dede62116216c1b016fe23dd06 | x_refsource_CONFIRM | |
| https://nvd.nist.gov/vuln/detail/CVE-2018-11469 | ||
| https://usn.ubuntu.com/3663-1/ | vendor-advisoryx_refsource_UBUNTUThird Party Advisory | |
| https://www.cve.org/CVERecord?id=CVE-2018-11469 |
Change history (0)
No recorded changes yet.