Mozilla: Phishing on HTTPS connection through malicious proxy (MFSA 2013-27)
Published Feb 19, 2013
4.0
MEDIUMCVSS 2.0
EPSS 1.30%
Description
Mozilla Firefox before 19.0, Firefox ESR 17.x before 17.0.3, Thunderbird before 17.0.3, Thunderbird ESR 17.x before 17.0.3, and SeaMonkey before 2.16 allow man-in-the-middle attackers to spoof the address bar by operating a proxy server that provides a 407 HTTP status code accompanied by web script, as demonstrated by a phishing attack on an HTTPS site.
Affected products
No data.
Configuration 1
- < 17.0.3
- < 19.0
- < 2.16
- < 17.0.3
- < 17.0.3
Configuration 2
Configuration 3
- 5.9
- 5.0
- 6.0
- 5.9
- 6.3
- 5.0
- 6.0
- 5.0
- 6.0
Configuration 4
- 7.0
Configuration 5
- 10.04
- 11.10
- 12.04
- 12.10
No data.
Red Hat Enterprise Linux 5
devhelp-0:0.12-23.el5_9
Fixed · RHSA-2013:0271
Red Hat Enterprise Linux 5
firefox-0:17.0.3-1.el5_9
Fixed · RHSA-2013:0271
Red Hat Enterprise Linux 5
thunderbird-0:17.0.3-1.el5_9
Fixed · RHSA-2013:0272
Red Hat Enterprise Linux 5
xulrunner-0:17.0.3-1.el5_9
Fixed · RHSA-2013:0271
Red Hat Enterprise Linux 5
yelp-0:2.16.0-30.el5_9
Fixed · RHSA-2013:0271
Red Hat Enterprise Linux 6
firefox-0:17.0.3-1.el6_3
Fixed · RHSA-2013:0271
Red Hat Enterprise Linux 6
libproxy-0:0.3.0-4.el6_3
Fixed · RHSA-2013:0271
Red Hat Enterprise Linux 6
thunderbird-0:17.0.3-1.el6_3
Fixed · RHSA-2013:0272
Red Hat Enterprise Linux 6
xulrunner-0:17.0.3-1.el6_3
Fixed · RHSA-2013:0271
Red Hat Enterprise Linux 6
yelp-0:2.28.1-17.el6_3
Fixed · RHSA-2013:0271
Red Hat Enterprise Linux 5
thunderbird
Affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 5 | devhelp-0:0.12-23.el5_9 | Fixed | RHSA-2013:0271 |
| Red Hat Enterprise Linux 5 | firefox-0:17.0.3-1.el5_9 | Fixed | RHSA-2013:0271 |
| Red Hat Enterprise Linux 5 | thunderbird-0:17.0.3-1.el5_9 | Fixed | RHSA-2013:0272 |
| Red Hat Enterprise Linux 5 | xulrunner-0:17.0.3-1.el5_9 | Fixed | RHSA-2013:0271 |
| Red Hat Enterprise Linux 5 | yelp-0:2.16.0-30.el5_9 | Fixed | RHSA-2013:0271 |
| Red Hat Enterprise Linux 6 | firefox-0:17.0.3-1.el6_3 | Fixed | RHSA-2013:0271 |
| Red Hat Enterprise Linux 6 | libproxy-0:0.3.0-4.el6_3 | Fixed | RHSA-2013:0271 |
| Red Hat Enterprise Linux 6 | thunderbird-0:17.0.3-1.el6_3 | Fixed | RHSA-2013:0272 |
| Red Hat Enterprise Linux 6 | xulrunner-0:17.0.3-1.el6_3 | Fixed | RHSA-2013:0271 |
| Red Hat Enterprise Linux 6 | yelp-0:2.28.1-17.el6_3 | Fixed | RHSA-2013:0271 |
| Red Hat Enterprise Linux 5 | thunderbird | Affected | n/a |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:N/AC:H/Au:N/C:P/I:P/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 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.30% (0.01300) | 69.40th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.30% (0.01300) | 66.60th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.60% (0.00598) | 67.53th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.23% (0.00226) | 61.70th | v3 (v2023.03.01) |
| Jun 14, 2024 | 0.23% (0.00226) | 61.00th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.23% (0.00226) | 58.97th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.54% (0.01537) | 74.52th | v2 (v2022.01.01) |
| Feb 23, 2023 | 1.54% (0.01537) | 74.48th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.54% (0.01537) | 72.41th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.54% (0.01537) | 51.33th | v2 (v2022.01.01) |
References (15)
- http://lists.opensuse.org/opensuse-security-announce/2013-02/msg00017.html vendor-advisoryx_refsource_SUSEMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-updates/2013-02/msg00062.html vendor-advisoryx_refsource_SUSEMailing ListThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2013-0271.html vendor-advisoryx_refsource_REDHATThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2013-0272.html vendor-advisoryx_refsource_REDHATThird Party Advisory
- http://www.debian.org/security/2013/dsa-2699 vendor-advisoryx_refsource_DEBIANThird Party Advisory
- http://www.mozilla.org/security/announce/2013/mfsa2013-27.html x_refsource_CONFIRMVendor Advisory
- http://www.ubuntu.com/usn/USN-1729-1 vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- http://www.ubuntu.com/usn/USN-1729-2 vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- http://www.ubuntu.com/usn/USN-1748-1 vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- https://access.redhat.com/security/cve/CVE-2013-0776 Vendor Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=796475 x_refsource_CONFIRMIssue TrackingPatchVendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=911844 Issue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2013-0776
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16666 vdb-entrysignaturex_refsource_OVALThird Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2013-0776
Change history (0)
No recorded changes yet.