lib: fix LLDP-MED location parsing in liblldpctl#422
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vincentbernat merged 1 commit intomasterfrom Dec 6, 2020
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Some bounds were not checked correctly when parsing LLDP-MED civic location fields. This triggers out-of-bound reads (no write) in lldpcli, ultimately leading to a crash. Fix #420
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The details are as follows:
1. 0010-Ported-fix-for-length-exceeded-from-lldp-community.patch
Ported fix lldpd/lldpd#408 from LLDP community.
lib: remove limit on system description length
The limit was introduced in 9c49ced while fixing a memory leak.
The state data is used to ensure we don't interleave operations. We
need to handle the case where the value is truncated because it is
larger than the allocated size.
Fix sonic-net#408.
2. 0011-fix-med-location-len.patch
Ported fix lldpd/lldpd#422 from community.
lib: fix LLDP-MED location parsing in liblldpctl
Some bounds were not checked correctly when parsing LLDP-MED civic
location fields. This triggers out-of-bound reads (no write) in
lldpcli, ultimately leading to a crash.
Fix sonic-net#420
Signed-off-by: sudhanshukumar22 <[email protected]>
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Some bounds were not checked correctly when parsing LLDP-MED civic
location fields. This triggers out-of-bound reads (no write) in
lldpcli, ultimately leading to a crash.
Fix #420