Bug#953270: libusrsctp: CVE-2019-20503

[Salvatore Bonaccorso]

Source: libusrsctp
Version: 0.9.3.0+20190901-1
Severity: grave
Tags: security upstream

Hi,

The following vulnerability was published for libusrsctp.

CVE-2019-20503[0]:
| usrsctp before 2019-12-20 has out-of-bounds reads in
| sctp_load_addresses_from_init.

Details in [1] and fixed upstream in [2].

If you fix the vulnerability please also make sure to include the
CVE (Common Vulnerabilities & Exposures) id in your changelog entry.

For further information see:

[0] https://security-tracker.debian.org/tracker/CVE-2019-20503
    https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-20503
[1] https://bugs.chromium.org/p/project-zero/issues/detail?id=1992
[2] https://github.com/sctplab/usrsctp/commit/790a7a2555aefb392a5a69923f1e9d17b4968467

Please adjust the affected versions in the BTS as needed.

Regards,
Salvatore



-- System Information:
Debian Release: bullseye/sid
  APT prefers unstable
  APT policy: (500, 'unstable'), (1, 'experimental')
Architecture: amd64 (x86_64)

Kernel: Linux 5.4.0-4-amd64 (SMP w/2 CPU cores)
Kernel taint flags: TAINT_WARN
Locale: LANG=C.UTF-8, LC_CTYPE=C.UTF-8 (charmap=UTF-8), LANGUAGE=C.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Init: systemd (via /run/systemd/system)
LSM: AppArmor: enabled