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| author |   Patrick J Volkerding <volkerdi@slackware.com> | 2020-03-04 22:03:30 +0000 |
|---|---|---|
| committer |   Eric Hameleers <alien@slackware.com> | 2020-03-05 08:59:48 +0100 |
| commit | cb1ee501cabf242b70244f6035a07307b0bb2f35 (patch) | |
| tree | c9c588426367377ac52e7012c100c090bc19c00d /source/n/ppp/ppp.CVE-2020-8597.patch | |
| parent | 05aafc282ba7bbef7d888d761c2d42341745bf50 (diff) | |
| download | current-cb1ee501cabf242b70244f6035a07307b0bb2f35.tar.gz current-cb1ee501cabf242b70244f6035a07307b0bb2f35.tar.xz | |
Wed Mar 4 22:03:30 UTC 202020200304220330
a/sdparm-1.10-x86_64-3.txz: Rebuilt.
Recompiled against sg3_utils-1.45.
a/udisks-1.0.5-x86_64-5.txz: Rebuilt.
Recompiled against sg3_utils-1.45.
d/cmake-3.16.5-x86_64-1.txz: Upgraded.
l/libgpod-0.8.3-x86_64-6.txz: Rebuilt.
Recompiled against sg3_utils-1.45.
n/curl-7.69.0-x86_64-1.txz: Upgraded.
n/cyrus-sasl-2.1.27-x86_64-3.txz: Rebuilt.
Added SQL support via MariaDB. Thanks to niksoggia.
n/ntp-4.2.8p14-x86_64-1.txz: Upgraded.
n/ppp-2.4.8-x86_64-1.txz: Upgraded.
This update fixes a security issue:
By sending an unsolicited EAP packet to a vulnerable ppp client or server,
an unauthenticated remote attacker could cause memory corruption in the
pppd process, which may allow for arbitrary code execution.
For more information, see:
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-8597
(* Security fix *)
testing/packages/PAM/cyrus-sasl-2.1.27-x86_64-3_pam.txz: Rebuilt.
Added SQL support via MariaDB. Thanks to niksoggia.
testing/packages/PAM/ppp-2.4.8-x86_64-1_pam.txz: Upgraded.
This update fixes a security issue:
By sending an unsolicited EAP packet to a vulnerable ppp client or server,
an unauthenticated remote attacker could cause memory corruption in the
pppd process, which may allow for arbitrary code execution.
For more information, see:
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-8597
(* Security fix *)
Diffstat (limited to 'source/n/ppp/ppp.CVE-2020-8597.patch')
| -rw-r--r-- | source/n/ppp/ppp.CVE-2020-8597.patch | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/source/n/ppp/ppp.CVE-2020-8597.patch b/source/n/ppp/ppp.CVE-2020-8597.patch new file mode 100644 index 000000000..5d7c51bca --- /dev/null +++ b/source/n/ppp/ppp.CVE-2020-8597.patch @@ -0,0 +1,37 @@ +From 8d7970b8f3db727fe798b65f3377fe6787575426 Mon Sep 17 00:00:00 2001 +From: Paul Mackerras <paulus@ozlabs.org> +Date: Mon, 3 Feb 2020 15:53:28 +1100 +Subject: [PATCH] pppd: Fix bounds check in EAP code + +Given that we have just checked vallen < len, it can never be the case +that vallen >= len + sizeof(rhostname). This fixes the check so we +actually avoid overflowing the rhostname array. + +Reported-by: Ilja Van Sprundel <ivansprundel@ioactive.com> +Signed-off-by: Paul Mackerras <paulus@ozlabs.org> +--- + pppd/eap.c | 4 ++-- + 1 file changed, 2 insertions(+), 2 deletions(-) + +diff --git a/pppd/eap.c b/pppd/eap.c +index 94407f56..1b93db01 100644 +--- a/pppd/eap.c ++++ b/pppd/eap.c +@@ -1420,7 +1420,7 @@ int len; + } + + /* Not so likely to happen. */ +- if (vallen >= len + sizeof (rhostname)) { ++ if (len - vallen >= sizeof (rhostname)) { + dbglog("EAP: trimming really long peer name down"); + BCOPY(inp + vallen, rhostname, sizeof (rhostname) - 1); + rhostname[sizeof (rhostname) - 1] = '\0'; +@@ -1846,7 +1846,7 @@ int len; + } + + /* Not so likely to happen. */ +- if (vallen >= len + sizeof (rhostname)) { ++ if (len - vallen >= sizeof (rhostname)) { + dbglog("EAP: trimming really long peer name down"); + BCOPY(inp + vallen, rhostname, sizeof (rhostname) - 1); + rhostname[sizeof (rhostname) - 1] = '\0'; |