Control: tags -1 + patch Hi,
On Thu, Dec 19, 2019 at 09:19:19PM +0100, Salvatore Bonaccorso wrote: > Source: cyrus-sasl2 > Version: 2.1.27+dfsg-1 > Severity: grave > Tags: security upstream > Forwarded: https://github.com/cyrusimap/cyrus-sasl/issues/587 > Control: found -1 2.1.27~101-g0780600+dfsg-3 > > Hi, > > The following vulnerability was published for cyrus-sasl2. > > CVE-2019-19906[0]: > Off by one in _sasl_add_string function > > 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-2019-19906 > https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-19906 > [1] https://github.com/cyrusimap/cyrus-sasl/issues/587 Attached patch for this issue. Regards, Salvatore
Description: CVE-2019-19906: Off-by-one in _sasl_add_string function Origin: vendor Bug: https://github.com/cyrusimap/cyrus-sasl/issues/587 Bug-Debian: https://bugs.debian.org/947043 Bug-Debian-Security: https://security-tracker.debian.org/tracker/CVE-2019-19906 Author: Stephan Zeisberg <step...@srlabs.de> Reviewed-by: Salvatore Bonaccorso <car...@debian.org> Last-Update: 2019-12-19 --- a/lib/common.c +++ b/lib/common.c @@ -190,7 +190,7 @@ int _sasl_add_string(char **out, size_t if (add==NULL) add = "(null)"; - addlen=strlen(add); /* only compute once */ + addlen=strlen(add)+1; /* only compute once */ if (_buf_alloc(out, alloclen, (*outlen)+addlen)!=SASL_OK) return SASL_NOMEM;
