CRITICAL
varnish: Data leak - ‘-sfile’ Stevedore transient objects
Published Nov 16, 2017
9.1
CRITICALCVSS 3.1
EPSS 4.08%
Description
vbf_stp_error in bin/varnishd/cache/cache_fetch.c in Varnish HTTP Cache 4.1.x before 4.1.9 and 5.x before 5.2.1 allows remote attackers to obtain sensitive information from process memory because a VFP_GetStorage buffer is larger than intended in certain circumstances involving -sfile Stevedore transient objects.
Affected products
- Vendor n/a Product Varnish HTTP Cache 4.1.x before 4.1.9 and 5.x before 5.2.1 Defaultn/a
- Version Varnish HTTP Cache 4.1.x before 4.1.9 and 5.x before 5.2.1StatusaffectedConstraints-
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| n/a | Varnish HTTP Cache 4.1.x before 4.1.9 and 5.x before 5.2.1 | n/a |
|
Configuration 1
OR
- ≥ 4.1.0 · < 4.1.9
- ≥ 5.0.0 · < 5.2.1
Configuration 2
- 9.0
No data.
Red Hat Software Collections
rh-varnish4-varnish
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Software Collections | rh-varnish4-varnish | Not affected | n/a |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
9.1 CRITICAL NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Impact High
Integrity Impact None
Availability Impact High
5.3 MEDIUM Red Hat
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Impact Low
Integrity Impact None
Availability Impact None
6.4 MEDIUM NVD
AV:N/AC:L/Au:N/C:P/I:N/A:P
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact Partial
Integrity Impact None
Availability Impact Partial
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
4.08% 0.04084
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.04084
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 (18 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 4.08% (0.04084) | 90.40th | v5 (v2026.06.15) |
| Jun 15, 2026 | 4.08% (0.04084) | 89.37th | v5 (v2026.06.15) |
| Mar 30, 2025 | 1.84% (0.01840) | 81.36th | v4 (v2025.03.14) |
| Mar 29, 2025 | 4.62% (0.04618) | 81.73th | v4 (v2025.03.14) |
| Jul 20, 2024 | 1.68% (0.01678) | 87.85th | v3 (v2023.03.01) |
| Jun 11, 2023 | 1.68% (0.01678) | 85.87th | v3 (v2023.03.01) |
| May 18, 2023 | 1.83% (0.01834) | 86.47th | v3 (v2023.03.01) |
| May 8, 2023 | 2.68% (0.02676) | 88.82th | v3 (v2023.03.01) |
| Apr 8, 2023 | 3.93% (0.03931) | 90.64th | v3 (v2023.03.01) |
| Mar 7, 2023 | 3.49% (0.03493) | 90.06th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.32% (0.01319) | 71.27th | v2 (v2022.01.01) |
| Feb 23, 2023 | 1.32% (0.01319) | 71.23th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.32% (0.01319) | 69.22th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.32% (0.01319) | 44.98th | v2 (v2022.01.01) |
| Feb 3, 2022 | 1.82% (0.01823) | 35.21th | v1 |
| Jan 6, 2022 | 1.82% (0.01823) | 34.51th | v1 |
| Sep 1, 2021 | 1.82% (0.01823) | 74.64th | v1 |
| Apr 14, 2021 | 1.82% (0.01823) | 0.00th | v1 |
References (11)
- http://varnish-cache.org/security/VSV00002.html x_refsource_CONFIRMPatchVendor Advisory
- http://www.securityfocus.com/bid/101886 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- https://access.redhat.com/security/cve/CVE-2017-8807 Vendor Advisory
- https://bugs.debian.org/881808 x_refsource_CONFIRMIssue TrackingThird Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1513523 Issue Tracking
- https://github.com/varnishcache/varnish-cache/commit/176f8a075a963ffbfa56f1c460c15f6a1a6af5a7 x_refsource_CONFIRMPatchVendor Advisory
- https://github.com/varnishcache/varnish-cache/pull/2429 x_refsource_CONFIRMIssue TrackingVendor Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2017-8807
- https://varnish-cache.org/security/VSV00002.html
- https://www.cve.org/CVERecord?id=CVE-2017-8807
- https://www.debian.org/security/2017/dsa-4034 vendor-advisoryx_refsource_DEBIANThird Party Advisory
| Link | Providers | Tags |
|---|---|---|
| http://varnish-cache.org/security/VSV00002.html | x_refsource_CONFIRMPatchVendor Advisory | |
| http://www.securityfocus.com/bid/101886 | vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry | |
| https://access.redhat.com/security/cve/CVE-2017-8807 | Vendor Advisory | |
| https://bugs.debian.org/881808 | x_refsource_CONFIRMIssue TrackingThird Party Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1513523 | Issue Tracking | |
| https://github.com/varnishcache/varnish-cache/commit/176f8a075a963ffbfa56f1c460c15f6a1a6af5a7 | x_refsource_CONFIRMPatchVendor Advisory | |
| https://github.com/varnishcache/varnish-cache/pull/2429 | x_refsource_CONFIRMIssue TrackingVendor Advisory | |
| https://nvd.nist.gov/vuln/detail/CVE-2017-8807 | ||
| https://varnish-cache.org/security/VSV00002.html | ||
| https://www.cve.org/CVERecord?id=CVE-2017-8807 | ||
| https://www.debian.org/security/2017/dsa-4034 | vendor-advisoryx_refsource_DEBIANThird Party Advisory |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner debian
Published Nov 16, 2017
Updated Aug 5, 2024
Reserved May 7, 2017
Link CVE-2017-8807
CISA Vulnrichment
Updated n/a