CVE-2020-12413 — Observable Discrepancy in Mozilla Firefox

CWE-203 — Observable DiscrepancyCWE-385 — Covert Timing ChannelCWE-200 — Sensitive Information Exposure9 documents7 sources
Severity
5.9MEDIUMNVD
EPSS
0.3%
top 49.51%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
Mozilla FirefoxMozilla Firefox ESRMozilla NSS
Timeline
PublishedFeb 16
Latest updateFeb 17

Description

The Raccoon attack is a timing attack on DHE ciphersuites inherit in the TLS specification. To mitigate this vulnerability, Firefox disabled support for DHE ciphersuites.

CVSS vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:NExploitability: 2.2 | Impact: 3.6

Affected Packages5 packages

▶CVEListV5mozilla/firefoxunspecified — 78
▶NVDmozilla/firefox< 78.0
▶CVEListV5mozilla/firefox_esrunspecified — 68.10
▶NVDmozilla/firefox_esr< 68.10.0
▶Debianmozilla/nss< 2:3.17-1+3

🔴Vulnerability Details

3
GHSA
GHSA-4mgq-9qgw-ghcx: The Raccoon attack is a timing attack on DHE ciphersuites inherit in the TLS specification↗2023-02-17
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OSV
CVE-2020-12413: The Raccoon attack is a timing attack on DHE ciphersuites inherit in the TLS specification↗2023-02-16
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CVEList
CVE-2020-12413: The Raccoon attack is a timing attack on DHE ciphersuites inherit in the TLS specification↗2023-02-16
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📋Vendor Advisories

2
Red Hat
nss: Information exposure when DH secret are reused across multiple TLS connections↗2020-09-09
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Debian
CVE-2020-12413: nss - The Raccoon attack is a timing attack on DHE ciphersuites inherit in the TLS spe...↗2020
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💬Community

3
Bugzilla
CVE-2020-12413 nss: Information exposure when DH secret are reused across multiple TLS connections↗2020-09-09
▶
Bugzilla
CVE-2020-12413 nss: Information exposure when DH secret are reused across multiple TLS connections [fedora-all]↗2020-09-09
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Bugzilla
Raccoon Attack (TLS specification timing side-channel)↗2020-05-29
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CVE-2020-12413 — Observable Discrepancy in Mozilla | cvebase