Allele Security Alert
ASA-2019-00435
Identifier(s)
ASA-2019-00435, CVE-2019-11729, MFSA2019-21, MFSA2019-22, MFSA2019-23
Title
Empty or malformed p256-ECDH public keys may trigger a segmentation fault
Vendor(s)
Mozilla
Product(s)
Mozilla Firefox
Mozilla Firefox ESR
Mozilla Thunderbird
Affected version(s)
Mozilla Firefox versions before 68
Mozilla Firefox ESR versions before 60.8
Mozilla Thunderbird versions before 60.8
Fixed version(s)
Mozilla Firefox version 68
Mozilla Firefox ESR version 60.8
Mozilla Thunderbird version 60.8
Proof of concept
Unknown
Description
Empty or malformed p256-ECDH public keys may trigger a segmentation fault due values being improperly sanitized before being copied into memory and used.
Technical details
Unknown
Credits
Jonas Allmann
Reference(s)
Mozilla Foundation Security Advisory 2019-21
https://www.mozilla.org/en-US/security/advisories/mfsa2019-21/#CVE-2019-11729
Mozilla Foundation Security Advisory 2019-22
https://www.mozilla.org/en-US/security/advisories/mfsa2019-22/#CVE-2019-11729
Mozilla Foundation Security Advisory 2019-23
https://www.mozilla.org/en-US/security/advisories/mfsa2019-23/#CVE-2019-11729
Bug 1515342
https://bugzilla.mozilla.org/show_bug.cgi?id=1515342
CVE-2019-11729
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-11729
CVE-2019-11729
https://nvd.nist.gov/vuln/detail/CVE-2019-11729
If there is any error in this alert or you wish a comprehensive analysis, let us know.
Last modified: July 23, 2019