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| author | Panu Matilainen <pmatilai@redhat.com> | 2022-02-10 11:15:04 +0200 |
|---|---|---|
| committer | Michal Domonkos <mdomonko@redhat.com> | 2022-07-01 10:52:14 +0200 |
| commit | 1c90806b275087bee5a5b6457ac5adfa7523989a (patch) | |
| tree | ae7265a425610e87c22830eaa5da3e189c00d13b | |
| parent | 504add3efbc03a7ca6438240ef0dc86b67671817 (diff) | |
| download | rpm-1c90806b275087bee5a5b6457ac5adfa7523989a.tar.gz | |
Ensure sane string lengths for file digests from header
(cherry picked from commit 1b938be57c9e47d434c177d46d4f9361fe873c12)
| -rw-r--r-- | lib/rpmfi.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/lib/rpmfi.c b/lib/rpmfi.c index b67680c17..bac5c360e 100644 --- a/lib/rpmfi.c +++ b/lib/rpmfi.c @@ -1522,6 +1522,10 @@ static uint8_t *hex2bin(Header h, rpmTagVal tag, rpm_count_t num, size_t len) t += len; continue; } + if (strlen(s) != len * 2) { + bin = rfree(bin); + break; + } for (int j = 0; j < len; j++, t++, s += 2) *t = (rnibble(s[0]) << 4) | rnibble(s[1]); } |